57061875769 has 2 divisors, whose sum is σ = 57061875770. Its totient is φ = 57061875768.

The previous prime is 57061875743. The next prime is 57061875823. The reversal of 57061875769 is 96757816075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54622701225 + 2439174544 = 233715^2 + 49388^2 .

It is a cyclic number.

It is not a de Polignac number, because 57061875769 - 2⁹ = 57061875257 is a prime.

It is a super-2 number, since 2×57061875769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57061875469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28530937884 + 28530937885.

It is an arithmetic number, because the mean of its divisors is an integer number (28530937885).

Almost surely, 2^57061875769 is an apocalyptic number.

It is an amenable number.

57061875769 is a deficient number, since it is larger than the sum of its proper divisors (1).

57061875769 is an equidigital number, since it uses as much as digits as its factorization.

57061875769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 57061875769 in words is "fifty-seven billion, sixty-one million, eight hundred seventy-five thousand, seven hundred sixty-nine".