159431299793 has 2 divisors, whose sum is σ = 159431299794. Its totient is φ = 159431299792.

The previous prime is 159431299717. The next prime is 159431299799. The reversal of 159431299793 is 397992134951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124996188304 + 34435111489 = 353548^2 + 185567^2 .

It is a cyclic number.

It is not a de Polignac number, because 159431299793 - 2¹⁰ = 159431298769 is a prime.

It is not a weakly prime, because it can be changed into another prime (159431299799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79715649896 + 79715649897.

It is an arithmetic number, because the mean of its divisors is an integer number (79715649897).

Almost surely, 2^159431299793 is an apocalyptic number.

It is an amenable number.

159431299793 is a deficient number, since it is larger than the sum of its proper divisors (1).

159431299793 is an equidigital number, since it uses as much as digits as its factorization.

159431299793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16533720, while the sum is 62.

The spelling of 159431299793 in words is "one hundred fifty-nine billion, four hundred thirty-one million, two hundred ninety-nine thousand, seven hundred ninety-three".