22531402739 has 2 divisors, whose sum is σ = 22531402740. Its totient is φ = 22531402738.

The previous prime is 22531402697. The next prime is 22531402759. The reversal of 22531402739 is 93720413522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22531402739 - 2⁸ = 22531402483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22531402759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265701369 + 11265701370.

It is an arithmetic number, because the mean of its divisors is an integer number (11265701370).

Almost surely, 2^22531402739 is an apocalyptic number.

22531402739 is a deficient number, since it is larger than the sum of its proper divisors (1).

22531402739 is an equidigital number, since it uses as much as digits as its factorization.

22531402739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 22531402739 in words is "twenty-two billion, five hundred thirty-one million, four hundred two thousand, seven hundred thirty-nine".