957021611761 has 2 divisors, whose sum is σ = 957021611762. Its totient is φ = 957021611760.

The previous prime is 957021611687. The next prime is 957021611773. The reversal of 957021611761 is 167116120759.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905999385600 + 51022226161 = 951840^2 + 225881^2 .

It is a cyclic number.

It is not a de Polignac number, because 957021611761 - 2¹⁵ = 957021578993 is a prime.

It is a super-2 number, since 2×957021611761² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (957021611561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478510805880 + 478510805881.

It is an arithmetic number, because the mean of its divisors is an integer number (478510805881).

Almost surely, 2^957021611761 is an apocalyptic number.

It is an amenable number.

957021611761 is a deficient number, since it is larger than the sum of its proper divisors (1).

957021611761 is an equidigital number, since it uses as much as digits as its factorization.

957021611761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 957021611761 in words is "nine hundred fifty-seven billion, twenty-one million, six hundred eleven thousand, seven hundred sixty-one".