57474263689 has 2 divisors, whose sum is σ = 57474263690. Its totient is φ = 57474263688.

The previous prime is 57474263687. The next prime is 57474263711. The reversal of 57474263689 is 98636247475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50328435600 + 7145828089 = 224340^2 + 84533^2 .

It is a cyclic number.

It is not a de Polignac number, because 57474263689 - 2¹ = 57474263687 is a prime.

Together with 57474263687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57474263681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28737131844 + 28737131845.

It is an arithmetic number, because the mean of its divisors is an integer number (28737131845).

Almost surely, 2^57474263689 is an apocalyptic number.

It is an amenable number.

57474263689 is a deficient number, since it is larger than the sum of its proper divisors (1).

57474263689 is an equidigital number, since it uses as much as digits as its factorization.

57474263689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 61.

The spelling of 57474263689 in words is "fifty-seven billion, four hundred seventy-four million, two hundred sixty-three thousand, six hundred eighty-nine".