75465656457 has 16 divisors (see below), whose sum is σ = 102581588160. Its totient is φ = 49334336000.

The previous prime is 75465656443. The next prime is 75465656479.

It is a happy number.

75465656457 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75465656457 - 2⁶ = 75465656393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75465656457.

It is not an unprimeable number, because it can be changed into a prime (75465696457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460644 + ... + 602597.

It is an arithmetic number, because the mean of its divisors is an integer number (6411349260).

Almost surely, 2^75465656457 is an apocalyptic number.

It is an amenable number.

75465656457 is a deficient number, since it is larger than the sum of its proper divisors (27115931703).

75465656457 is a wasteful number, since it uses less digits than its factorization.

75465656457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063704.

The product of its digits is 105840000, while the sum is 60.

The spelling of 75465656457 in words is "seventy-five billion, four hundred sixty-five million, six hundred fifty-six thousand, four hundred fifty-seven".