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1448036669 is a prime number
BaseRepresentation
bin101011001001111…
…0100100100111101
310201220201212212202
41112103310210331
510431144133134
6355404241245
750612052152
oct12623644475
93656655782
101448036669
11683419422
12344b40225
131a0cca341
14da458229
15871d2d7e
hex564f493d

1448036669 has 2 divisors, whose sum is σ = 1448036670. Its totient is φ = 1448036668.

The previous prime is 1448036651. The next prime is 1448036701. The reversal of 1448036669 is 9666308441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1233765625 + 214271044 = 35125^2 + 14638^2 .

It is an emirp because it is prime and its reverse (9666308441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1448036669 is a prime.

It is a super-2 number, since 2×14480366692 = 4193620389537231122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1448036609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724018334 + 724018335.

It is an arithmetic number, because the mean of its divisors is an integer number (724018335).

Almost surely, 21448036669 is an apocalyptic number.

It is an amenable number.

1448036669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448036669 is an equidigital number, since it uses as much as digits as its factorization.

1448036669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 1448036669 is about 38053.0769977935. The cubic root of 1448036669 is about 1131.3401149828.

The spelling of 1448036669 in words is "one billion, four hundred forty-eight million, thirty-six thousand, six hundred sixty-nine".