75904161439 has 2 divisors, whose sum is σ = 75904161440. Its totient is φ = 75904161438.

The previous prime is 75904161419. The next prime is 75904161469. The reversal of 75904161439 is 93416140957.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75904161439 - 2²³ = 75895772831 is a prime.

It is a super-2 number, since 2×75904161439² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75904161392 and 75904161401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75904161419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37952080719 + 37952080720.

It is an arithmetic number, because the mean of its divisors is an integer number (37952080720).

Almost surely, 2^75904161439 is an apocalyptic number.

75904161439 is a deficient number, since it is larger than the sum of its proper divisors (1).

75904161439 is an equidigital number, since it uses as much as digits as its factorization.

75904161439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 75904161439 in words is "seventy-five billion, nine hundred four million, one hundred sixty-one thousand, four hundred thirty-nine".