59497191917 has 2 divisors, whose sum is σ = 59497191918. Its totient is φ = 59497191916.

The previous prime is 59497191893. The next prime is 59497191953. The reversal of 59497191917 is 71919179495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43823654281 + 15673537636 = 209341^2 + 125194^2 .

It is a cyclic number.

It is not a de Polignac number, because 59497191917 - 2⁸ = 59497191661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 59497191917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59497191217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29748595958 + 29748595959.

It is an arithmetic number, because the mean of its divisors is an integer number (29748595959).

Almost surely, 2^59497191917 is an apocalyptic number.

It is an amenable number.

59497191917 is a deficient number, since it is larger than the sum of its proper divisors (1).

59497191917 is an equidigital number, since it uses as much as digits as its factorization.

59497191917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 62.

The spelling of 59497191917 in words is "fifty-nine billion, four hundred ninety-seven million, one hundred ninety-one thousand, nine hundred seventeen".