159299756491 has 2 divisors, whose sum is σ = 159299756492. Its totient is φ = 159299756490.

The previous prime is 159299756489. The next prime is 159299756557. The reversal of 159299756491 is 194657992951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159299756491 - 2¹ = 159299756489 is a prime.

Together with 159299756489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (159299756591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79649878245 + 79649878246.

It is an arithmetic number, because the mean of its divisors is an integer number (79649878246).

Almost surely, 2^159299756491 is an apocalyptic number.

159299756491 is a deficient number, since it is larger than the sum of its proper divisors (1).

159299756491 is an equidigital number, since it uses as much as digits as its factorization.

159299756491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55112400, while the sum is 67.

The spelling of 159299756491 in words is "one hundred fifty-nine billion, two hundred ninety-nine million, seven hundred fifty-six thousand, four hundred ninety-one".