57764988913 has 2 divisors, whose sum is σ = 57764988914. Its totient is φ = 57764988912.

The previous prime is 57764988907. The next prime is 57764988917. The reversal of 57764988913 is 31988946775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34272376384 + 23492612529 = 185128^2 + 153273^2 .

It is a cyclic number.

It is not a de Polignac number, because 57764988913 - 2⁵ = 57764988881 is a prime.

It is not a weakly prime, because it can be changed into another prime (57764988917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28882494456 + 28882494457.

It is an arithmetic number, because the mean of its divisors is an integer number (28882494457).

Almost surely, 2^57764988913 is an apocalyptic number.

It is an amenable number.

57764988913 is a deficient number, since it is larger than the sum of its proper divisors (1).

57764988913 is an equidigital number, since it uses as much as digits as its factorization.

57764988913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91445760, while the sum is 67.

The spelling of 57764988913 in words is "fifty-seven billion, seven hundred sixty-four million, nine hundred eighty-eight thousand, nine hundred thirteen".