57690132491 has 2 divisors, whose sum is σ = 57690132492. Its totient is φ = 57690132490.

The previous prime is 57690132473. The next prime is 57690132509. The reversal of 57690132491 is 19423109675.

It is a balanced prime because it is at equal distance from previous prime (57690132473) and next prime (57690132509).

It is a cyclic number.

It is not a de Polignac number, because 57690132491 - 2⁶ = 57690132427 is a prime.

It is not a weakly prime, because it can be changed into another prime (57690132691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28845066245 + 28845066246.

It is an arithmetic number, because the mean of its divisors is an integer number (28845066246).

Almost surely, 2^57690132491 is an apocalyptic number.

57690132491 is a deficient number, since it is larger than the sum of its proper divisors (1).

57690132491 is an equidigital number, since it uses as much as digits as its factorization.

57690132491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 57690132491 in words is "fifty-seven billion, six hundred ninety million, one hundred thirty-two thousand, four hundred ninety-one".