22989020591 has 2 divisors, whose sum is σ = 22989020592. Its totient is φ = 22989020590.

The previous prime is 22989020539. The next prime is 22989020609. The reversal of 22989020591 is 19502098922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22989020591 - 2¹⁸ = 22988758447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22989320591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494510295 + 11494510296.

It is an arithmetic number, because the mean of its divisors is an integer number (11494510296).

Almost surely, 2^22989020591 is an apocalyptic number.

22989020591 is a deficient number, since it is larger than the sum of its proper divisors (1).

22989020591 is an equidigital number, since it uses as much as digits as its factorization.

22989020591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 22989020591 in words is "twenty-two billion, nine hundred eighty-nine million, twenty thousand, five hundred ninety-one".