239927425937 has 2 divisors, whose sum is σ = 239927425938. Its totient is φ = 239927425936.

The previous prime is 239927425901. The next prime is 239927425939. The reversal of 239927425937 is 739524729932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226546488961 + 13380936976 = 475969^2 + 115676^2 .

It is a cyclic number.

It is not a de Polignac number, because 239927425937 - 2³² = 235632458641 is a prime.

Together with 239927425939, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239927425937.

It is not a weakly prime, because it can be changed into another prime (239927425939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119963712968 + 119963712969.

It is an arithmetic number, because the mean of its divisors is an integer number (119963712969).

Almost surely, 2^239927425937 is an apocalyptic number.

It is an amenable number.

239927425937 is a deficient number, since it is larger than the sum of its proper divisors (1).

239927425937 is an equidigital number, since it uses as much as digits as its factorization.

239927425937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 62.

The spelling of 239927425937 in words is "two hundred thirty-nine billion, nine hundred twenty-seven million, four hundred twenty-five thousand, nine hundred thirty-seven".