57746893769 has 2 divisors, whose sum is σ = 57746893770. Its totient is φ = 57746893768.

The previous prime is 57746893741. The next prime is 57746893793. The reversal of 57746893769 is 96739864775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33777661369 + 23969232400 = 183787^2 + 154820^2 .

It is a cyclic number.

It is not a de Polignac number, because 57746893769 - 2²⁸ = 57478458313 is a prime.

It is a super-2 number, since 2×57746893769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57746893069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28873446884 + 28873446885.

It is an arithmetic number, because the mean of its divisors is an integer number (28873446885).

Almost surely, 2^57746893769 is an apocalyptic number.

It is an amenable number.

57746893769 is a deficient number, since it is larger than the sum of its proper divisors (1).

57746893769 is an equidigital number, since it uses as much as digits as its factorization.

57746893769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480090240, while the sum is 71.

The spelling of 57746893769 in words is "fifty-seven billion, seven hundred forty-six million, eight hundred ninety-three thousand, seven hundred sixty-nine".