22653412643 has 2 divisors, whose sum is σ = 22653412644. Its totient is φ = 22653412642.

The previous prime is 22653412631. The next prime is 22653412667. The reversal of 22653412643 is 34621435622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22653412643 - 2⁸ = 22653412387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22653412597 and 22653412606.

It is not a weakly prime, because it can be changed into another prime (22653412343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11326706321 + 11326706322.

It is an arithmetic number, because the mean of its divisors is an integer number (11326706322).

Almost surely, 2^22653412643 is an apocalyptic number.

22653412643 is a deficient number, since it is larger than the sum of its proper divisors (1).

22653412643 is an equidigital number, since it uses as much as digits as its factorization.

22653412643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

The spelling of 22653412643 in words is "twenty-two billion, six hundred fifty-three million, four hundred twelve thousand, six hundred forty-three".