22539102928509 has 16 divisors (see below), whose sum is σ = 30057672602880. Its totient is φ = 15023301216000.

The previous prime is 22539102928457. The next prime is 22539102928543. The reversal of 22539102928509 is 90582920193522.

It is a happy number.

It is not a de Polignac number, because 22539102928509 - 2¹⁶ = 22539102862973 is a prime.

It is a super-2 number, since 2×22539102928509² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22539102928549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565053964 + ... + 565093850.

It is an arithmetic number, because the mean of its divisors is an integer number (1878604537680).

Almost surely, 2^{22539102928509} is an apocalyptic number.

It is an amenable number.

22539102928509 is a deficient number, since it is larger than the sum of its proper divisors (7518569674371).

22539102928509 is a wasteful number, since it uses less digits than its factorization.

22539102928509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69860.

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 22539102928509 in words is "twenty-two trillion, five hundred thirty-nine billion, one hundred two million, nine hundred twenty-eight thousand, five hundred nine".