22638307639 has 8 divisors (see below), whose sum is σ = 22716968400. Its totient is φ = 22559726400.

The previous prime is 22638307631. The next prime is 22638307651. The reversal of 22638307639 is 93670383622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22638307639 - 2³ = 22638307631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22638307592 and 22638307601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22638307631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581784 + ... + 619474.

It is an arithmetic number, because the mean of its divisors is an integer number (2839621050).

Almost surely, 2^22638307639 is an apocalyptic number.

22638307639 is a deficient number, since it is larger than the sum of its proper divisors (78660761).

22638307639 is a wasteful number, since it uses less digits than its factorization.

22638307639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39761.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 22638307639 in words is "twenty-two billion, six hundred thirty-eight million, three hundred seven thousand, six hundred thirty-nine".