22604453859991 has 2 divisors, whose sum is σ = 22604453859992. Its totient is φ = 22604453859990.

The previous prime is 22604453859959. The next prime is 22604453860073. The reversal of 22604453859991 is 19995835440622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22604453859991 - 2⁵ = 22604453859959 is a prime.

It is a super-2 number, since 2×22604453859991² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22604453859901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11302226929995 + 11302226929996.

It is an arithmetic number, because the mean of its divisors is an integer number (11302226929996).

Almost surely, 2^{22604453859991} is an apocalyptic number.

22604453859991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22604453859991 is an equidigital number, since it uses as much as digits as its factorization.

22604453859991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 167961600, while the sum is 67.

The spelling of 22604453859991 in words is "twenty-two trillion, six hundred four billion, four hundred fifty-three million, eight hundred fifty-nine thousand, nine hundred ninety-one".