22653256649 has 8 divisors (see below), whose sum is σ = 23716748160. Its totient is φ = 21608588176.

The previous prime is 22653256607. The next prime is 22653256651. The reversal of 22653256649 is 94665235622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22653256649 - 2²⁴ = 22636479433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22653256597 and 22653256606.

It is not an unprimeable number, because it can be changed into a prime (22653256679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703297 + ... + 4708110.

It is an arithmetic number, because the mean of its divisors is an integer number (2964593520).

Almost surely, 2^22653256649 is an apocalyptic number.

22653256649 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22653256649 is a deficient number, since it is larger than the sum of its proper divisors (1063491511).

22653256649 is an equidigital number, since it uses as much as digits as its factorization.

22653256649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411519.

The product of its digits is 4665600, while the sum is 50.

The spelling of 22653256649 in words is "twenty-two billion, six hundred fifty-three million, two hundred fifty-six thousand, six hundred forty-nine".