232564686401 has 2 divisors, whose sum is σ = 232564686402. Its totient is φ = 232564686400.

The previous prime is 232564686349. The next prime is 232564686421. The reversal of 232564686401 is 104686465232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228628378801 + 3936307600 = 478151^2 + 62740^2 .

It is a cyclic number.

It is not a de Polignac number, because 232564686401 - 2⁶ = 232564686337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (232564686421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116282343200 + 116282343201.

It is an arithmetic number, because the mean of its divisors is an integer number (116282343201).

Almost surely, 2^232564686401 is an apocalyptic number.

It is an amenable number.

232564686401 is a deficient number, since it is larger than the sum of its proper divisors (1).

232564686401 is an equidigital number, since it uses as much as digits as its factorization.

232564686401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 232564686401 in words is "two hundred thirty-two billion, five hundred sixty-four million, six hundred eighty-six thousand, four hundred one".