17591592961 has 2 divisors, whose sum is σ = 17591592962. Its totient is φ = 17591592960.

The previous prime is 17591592923. The next prime is 17591593003. The reversal of 17591592961 is 16929519571.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17304087025 + 287505936 = 131545^2 + 16956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17591592961 is a prime.

It is not a weakly prime, because it can be changed into another prime (17591592461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8795796480 + 8795796481.

It is an arithmetic number, because the mean of its divisors is an integer number (8795796481).

Almost surely, 2^17591592961 is an apocalyptic number.

It is an amenable number.

17591592961 is a deficient number, since it is larger than the sum of its proper divisors (1).

17591592961 is an equidigital number, since it uses as much as digits as its factorization.

17591592961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 55.

The spelling of 17591592961 in words is "seventeen billion, five hundred ninety-one million, five hundred ninety-two thousand, nine hundred sixty-one".