22353132491 has 2 divisors, whose sum is σ = 22353132492. Its totient is φ = 22353132490.

The previous prime is 22353132419. The next prime is 22353132493. The reversal of 22353132491 is 19423135322.

Together with previous prime (22353132419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22353132491 is a prime.

Together with 22353132493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22353132493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11176566245 + 11176566246.

It is an arithmetic number, because the mean of its divisors is an integer number (11176566246).

Almost surely, 2^22353132491 is an apocalyptic number.

22353132491 is a deficient number, since it is larger than the sum of its proper divisors (1).

22353132491 is an equidigital number, since it uses as much as digits as its factorization.

22353132491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The spelling of 22353132491 in words is "twenty-two billion, three hundred fifty-three million, one hundred thirty-two thousand, four hundred ninety-one".