264236104651 has 4 divisors (see below), whose sum is σ = 264243897352. Its totient is φ = 264228311952.

The previous prime is 264236104637. The next prime is 264236104661. The reversal of 264236104651 is 156401632462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264236104651 - 2¹⁹ = 264235580363 is a prime.

It is a super-2 number, since 2×264236104651² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264236104621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845265 + ... + 3913378.

It is an arithmetic number, because the mean of its divisors is an integer number (66060974338).

Almost surely, 2^264236104651 is an apocalyptic number.

264236104651 is a deficient number, since it is larger than the sum of its proper divisors (7792701).

264236104651 is an equidigital number, since it uses as much as digits as its factorization.

264236104651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792700.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 264236104651 in words is "two hundred sixty-four billion, two hundred thirty-six million, one hundred four thousand, six hundred fifty-one".