22990604639 has 2 divisors, whose sum is σ = 22990604640. Its totient is φ = 22990604638.

The previous prime is 22990604633. The next prime is 22990604657. The reversal of 22990604639 is 93640609922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22990604639 - 2¹² = 22990600543 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22990604633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11495302319 + 11495302320.

It is an arithmetic number, because the mean of its divisors is an integer number (11495302320).

Almost surely, 2^22990604639 is an apocalyptic number.

22990604639 is a deficient number, since it is larger than the sum of its proper divisors (1).

22990604639 is an equidigital number, since it uses as much as digits as its factorization.

22990604639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 22990604639 in words is "twenty-two billion, nine hundred ninety million, six hundred four thousand, six hundred thirty-nine".