22549816439 has 2 divisors, whose sum is σ = 22549816440. Its totient is φ = 22549816438.

The previous prime is 22549816363. The next prime is 22549816441. The reversal of 22549816439 is 93461894522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22549816439 - 2⁸ = 22549816183 is a prime.

Together with 22549816441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22549816489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11274908219 + 11274908220.

It is an arithmetic number, because the mean of its divisors is an integer number (11274908220).

Almost surely, 2^22549816439 is an apocalyptic number.

22549816439 is a deficient number, since it is larger than the sum of its proper divisors (1).

22549816439 is an equidigital number, since it uses as much as digits as its factorization.

22549816439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The spelling of 22549816439 in words is "twenty-two billion, five hundred forty-nine million, eight hundred sixteen thousand, four hundred thirty-nine".