22651304645263 has 4 divisors (see below), whose sum is σ = 25887205308880. Its totient is φ = 19415403981648.

The previous prime is 22651304645213. The next prime is 22651304645279. The reversal of 22651304645263 is 36254640315622.

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 22651304645263 - 2²⁵ = 22651271090831 is a prime.

It is a super-3 number, since 3×22651304645263³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22651304645213) 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, 1617950331798 + ... + 1617950331811.

It is an arithmetic number, because the mean of its divisors is an integer number (6471801327220).

Almost surely, 2^{22651304645263} is an apocalyptic number.

22651304645263 is a deficient number, since it is larger than the sum of its proper divisors (3235900663617).

22651304645263 is an equidigital number, since it uses as much as digits as its factorization.

22651304645263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235900663616.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 22651304645263 in words is "twenty-two trillion, six hundred fifty-one billion, three hundred four million, six hundred forty-five thousand, two hundred sixty-three".