22634525509991 has 2 divisors, whose sum is σ = 22634525509992. Its totient is φ = 22634525509990.

The previous prime is 22634525509957. The next prime is 22634525509993. The reversal of 22634525509991 is 19990552543622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22634525509991 - 2²² = 22634521315687 is a prime.

Together with 22634525509993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22634525509993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11317262754995 + 11317262754996.

It is an arithmetic number, because the mean of its divisors is an integer number (11317262754996).

Almost surely, 2^{22634525509991} is an apocalyptic number.

22634525509991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22634525509991 is an equidigital number, since it uses as much as digits as its factorization.

22634525509991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488000, while the sum is 62.

The spelling of 22634525509991 in words is "twenty-two trillion, six hundred thirty-four billion, five hundred twenty-five million, five hundred nine thousand, nine hundred ninety-one".