238562386961 has 2 divisors, whose sum is σ = 238562386962. Its totient is φ = 238562386960.

The previous prime is 238562386927. The next prime is 238562386967. The reversal of 238562386961 is 169683265832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229662351361 + 8900035600 = 479231^2 + 94340^2 .

It is a cyclic number.

It is not a de Polignac number, because 238562386961 - 2³⁴ = 221382517777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238562386961.

It is not a weakly prime, because it can be changed into another prime (238562386967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119281193480 + 119281193481.

It is an arithmetic number, because the mean of its divisors is an integer number (119281193481).

Almost surely, 2^238562386961 is an apocalyptic number.

It is an amenable number.

238562386961 is a deficient number, since it is larger than the sum of its proper divisors (1).

238562386961 is an equidigital number, since it uses as much as digits as its factorization.

238562386961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 59.

The spelling of 238562386961 in words is "two hundred thirty-eight billion, five hundred sixty-two million, three hundred eighty-six thousand, nine hundred sixty-one".