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74245854229 is a prime number
BaseRepresentation
bin100010100100101100…
…1011101010000010101
321002122022200011220221
41011021121131100111
52204023414313404
654035202154341
75235611230261
oct1051131352025
9232568604827
1074245854229
112953a938208
12124809529b1
137002c89731
1438448870a1
151de824b954
hex114965d415

74245854229 has 2 divisors, whose sum is σ = 74245854230. Its totient is φ = 74245854228.

The previous prime is 74245854227. The next prime is 74245854251. The reversal of 74245854229 is 92245854247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73891548900 + 354305329 = 271830^2 + 18823^2 .

It is a cyclic number.

It is not a de Polignac number, because 74245854229 - 21 = 74245854227 is a prime.

Together with 74245854227, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74245854223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37122927114 + 37122927115.

It is an arithmetic number, because the mean of its divisors is an integer number (37122927115).

Almost surely, 274245854229 is an apocalyptic number.

It is an amenable number.

74245854229 is a deficient number, since it is larger than the sum of its proper divisors (1).

74245854229 is an equidigital number, since it uses as much as digits as its factorization.

74245854229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 52.

The spelling of 74245854229 in words is "seventy-four billion, two hundred forty-five million, eight hundred fifty-four thousand, two hundred twenty-nine".