59491175296981 has 2 divisors, whose sum is σ = 59491175296982. Its totient is φ = 59491175296980.

The previous prime is 59491175296921. The next prime is 59491175297009. The reversal of 59491175296981 is 18969257119495.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48220108164900 + 11271067132081 = 6944070^2 + 3357241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59491175296981 is a prime.

It is a super-2 number, since 2×59491175296981² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 59491175296898 and 59491175296907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59491175296921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29745587648490 + 29745587648491.

It is an arithmetic number, because the mean of its divisors is an integer number (29745587648491).

Almost surely, 2^{59491175296981} is an apocalyptic number.

It is an amenable number.

59491175296981 is a deficient number, since it is larger than the sum of its proper divisors (1).

59491175296981 is an equidigital number, since it uses as much as digits as its factorization.

59491175296981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 440899200, while the sum is 76.

The spelling of 59491175296981 in words is "fifty-nine trillion, four hundred ninety-one billion, one hundred seventy-five million, two hundred ninety-six thousand, nine hundred eighty-one".