853401497057 has 2 divisors, whose sum is σ = 853401497058. Its totient is φ = 853401497056.

The previous prime is 853401497033. The next prime is 853401497063. The reversal of 853401497057 is 750794104358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483538046161 + 369863450896 = 695369^2 + 608164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853401497057 is a prime.

It is a super-2 number, since 2×853401497057² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (853401497957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426700748528 + 426700748529.

It is an arithmetic number, because the mean of its divisors is an integer number (426700748529).

Almost surely, 2^853401497057 is an apocalyptic number.

It is an amenable number.

853401497057 is a deficient number, since it is larger than the sum of its proper divisors (1).

853401497057 is an equidigital number, since it uses as much as digits as its factorization.

853401497057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 853401497057 in words is "eight hundred fifty-three billion, four hundred one million, four hundred ninety-seven thousand, fifty-seven".