22013149439 has 2 divisors, whose sum is σ = 22013149440. Its totient is φ = 22013149438.

The previous prime is 22013149427. The next prime is 22013149513. The reversal of 22013149439 is 93494131022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22013149439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013149139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006574719 + 11006574720.

It is an arithmetic number, because the mean of its divisors is an integer number (11006574720).

Almost surely, 2^22013149439 is an apocalyptic number.

22013149439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013149439 is an equidigital number, since it uses as much as digits as its factorization.

22013149439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 22013149439 in words is "twenty-two billion, thirteen million, one hundred forty-nine thousand, four hundred thirty-nine".