624664312136201 has 2 divisors, whose sum is σ = 624664312136202. Its totient is φ = 624664312136200.

The previous prime is 624664312136167. The next prime is 624664312136213. The reversal of 624664312136201 is 102631213466426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 538198936783225 + 86465375352976 = 23199115^2 + 9298676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-624664312136201 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 (624664312136231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312332156068100 + 312332156068101.

It is an arithmetic number, because the mean of its divisors is an integer number (312332156068101).

Almost surely, 2^{624664312136201} is an apocalyptic number.

It is an amenable number.

624664312136201 is a deficient number, since it is larger than the sum of its proper divisors (1).

624664312136201 is an equidigital number, since it uses as much as digits as its factorization.

624664312136201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 624664312136201 in words is "six hundred twenty-four trillion, six hundred sixty-four billion, three hundred twelve million, one hundred thirty-six thousand, two hundred one".