57715488469 has 2 divisors, whose sum is σ = 57715488470. Its totient is φ = 57715488468.

The previous prime is 57715488433. The next prime is 57715488487. The reversal of 57715488469 is 96488451775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53754422500 + 3961065969 = 231850^2 + 62937^2 .

It is a cyclic number.

It is not a de Polignac number, because 57715488469 - 2⁹ = 57715487957 is a prime.

It is a super-2 number, since 2×57715488469² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57715488469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57715488169) 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, 28857744234 + 28857744235.

It is an arithmetic number, because the mean of its divisors is an integer number (28857744235).

Almost surely, 2^57715488469 is an apocalyptic number.

It is an amenable number.

57715488469 is a deficient number, since it is larger than the sum of its proper divisors (1).

57715488469 is an equidigital number, since it uses as much as digits as its factorization.

57715488469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67737600, while the sum is 64.

The spelling of 57715488469 in words is "fifty-seven billion, seven hundred fifteen million, four hundred eighty-eight thousand, four hundred sixty-nine".