22573726639 has 2 divisors, whose sum is σ = 22573726640. Its totient is φ = 22573726638.

The previous prime is 22573726613. The next prime is 22573726697. The reversal of 22573726639 is 93662737522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22573726639 - 2²³ = 22565338031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22573726699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286863319 + 11286863320.

It is an arithmetic number, because the mean of its divisors is an integer number (11286863320).

Almost surely, 2^22573726639 is an apocalyptic number.

22573726639 is a deficient number, since it is larger than the sum of its proper divisors (1).

22573726639 is an equidigital number, since it uses as much as digits as its factorization.

22573726639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 52.

The spelling of 22573726639 in words is "twenty-two billion, five hundred seventy-three million, seven hundred twenty-six thousand, six hundred thirty-nine".