22786375643 has 2 divisors, whose sum is σ = 22786375644. Its totient is φ = 22786375642.

The previous prime is 22786375637. The next prime is 22786375681. The reversal of 22786375643 is 34657368722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22786375643 - 2²⁰ = 22785327067 is a prime.

It is not a weakly prime, because it can be changed into another prime (22786375243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11393187821 + 11393187822.

It is an arithmetic number, because the mean of its divisors is an integer number (11393187822).

Almost surely, 2^22786375643 is an apocalyptic number.

22786375643 is a deficient number, since it is larger than the sum of its proper divisors (1).

22786375643 is an equidigital number, since it uses as much as digits as its factorization.

22786375643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 53.

The spelling of 22786375643 in words is "twenty-two billion, seven hundred eighty-six million, three hundred seventy-five thousand, six hundred forty-three".