239021137163 has 2 divisors, whose sum is σ = 239021137164. Its totient is φ = 239021137162.

The previous prime is 239021137151. The next prime is 239021137177. The reversal of 239021137163 is 361731120932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 239021137163 - 2⁶ = 239021137099 is a prime.

It is a super-2 number, since 2×239021137163² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (239021137193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119510568581 + 119510568582.

It is an arithmetic number, because the mean of its divisors is an integer number (119510568582).

Almost surely, 2^239021137163 is an apocalyptic number.

239021137163 is a deficient number, since it is larger than the sum of its proper divisors (1).

239021137163 is an equidigital number, since it uses as much as digits as its factorization.

239021137163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 239021137163 in words is "two hundred thirty-nine billion, twenty-one million, one hundred thirty-seven thousand, one hundred sixty-three".