264650056501 has 2 divisors, whose sum is σ = 264650056502. Its totient is φ = 264650056500.

The previous prime is 264650056427. The next prime is 264650056513. The reversal of 264650056501 is 105650056462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170198327601 + 94451728900 = 412551^2 + 307330^2 .

It is a cyclic number.

It is not a de Polignac number, because 264650056501 - 2²⁵ = 264616502069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264650056201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132325028250 + 132325028251.

It is an arithmetic number, because the mean of its divisors is an integer number (132325028251).

Almost surely, 2^264650056501 is an apocalyptic number.

It is an amenable number.

264650056501 is a deficient number, since it is larger than the sum of its proper divisors (1).

264650056501 is an equidigital number, since it uses as much as digits as its factorization.

264650056501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 264650056501 in words is "two hundred sixty-four billion, six hundred fifty million, fifty-six thousand, five hundred one".