59491175296921 has 2 divisors, whose sum is σ = 59491175296922. Its totient is φ = 59491175296920.

The previous prime is 59491175296879. The next prime is 59491175296981. The reversal of 59491175296921 is 12969257119495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59023326136896 + 467849160025 = 7682664^2 + 683995^2 .

It is a cyclic number.

It is not a de Polignac number, because 59491175296921 - 2⁹ = 59491175296409 is a prime.

It is not a weakly prime, because it can be changed into another prime (59491175296981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29745587648460 + 29745587648461.

It is an arithmetic number, because the mean of its divisors is an integer number (29745587648461).

Almost surely, 2^{59491175296921} is an apocalyptic number.

It is an amenable number.

59491175296921 is a deficient number, since it is larger than the sum of its proper divisors (1).

59491175296921 is an equidigital number, since it uses as much as digits as its factorization.

59491175296921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110224800, while the sum is 70.

The spelling of 59491175296921 in words is "fifty-nine trillion, four hundred ninety-one billion, one hundred seventy-five million, two hundred ninety-six thousand, nine hundred twenty-one".