22091941499 has 2 divisors, whose sum is σ = 22091941500. Its totient is φ = 22091941498.

The previous prime is 22091941493. The next prime is 22091941511. The reversal of 22091941499 is 99414919022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22091941499 - 2⁸ = 22091941243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22091941493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11045970749 + 11045970750.

It is an arithmetic number, because the mean of its divisors is an integer number (11045970750).

Almost surely, 2^22091941499 is an apocalyptic number.

22091941499 is a deficient number, since it is larger than the sum of its proper divisors (1).

22091941499 is an equidigital number, since it uses as much as digits as its factorization.

22091941499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 22091941499 in words is "twenty-two billion, ninety-one million, nine hundred forty-one thousand, four hundred ninety-nine".