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74521080325469 is a prime number
BaseRepresentation
bin10000111100011011001010…
…100001010110010101011101
3100202212010221012212200011102
4100330123022201112111131
534231423133030403334
6422254302305202445
721460653561233411
oct2074331241262535
9322763835780142
1074521080325469
11218212380a0778
128436827030425
1332774000aa56b
141458ba796ad41
158936e70eb67e
hex43c6ca85655d

74521080325469 has 2 divisors, whose sum is σ = 74521080325470. Its totient is φ = 74521080325468.

The previous prime is 74521080325339. The next prime is 74521080325487. The reversal of 74521080325469 is 96452308012547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74329400102500 + 191680222969 = 8621450^2 + 437813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74521080325469 is a prime.

It is a super-2 number, since 2×745210803254692 (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74521080324469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37260540162734 + 37260540162735.

It is an arithmetic number, because the mean of its divisors is an integer number (37260540162735).

It is a 1-persistent number, because it is pandigital, but 2⋅74521080325469 = 149042160650938 is not.

Almost surely, 274521080325469 is an apocalyptic number.

It is an amenable number.

74521080325469 is a deficient number, since it is larger than the sum of its proper divisors (1).

74521080325469 is an equidigital number, since it uses as much as digits as its factorization.

74521080325469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 74521080325469 in words is "seventy-four trillion, five hundred twenty-one billion, eighty million, three hundred twenty-five thousand, four hundred sixty-nine".