22902064684889 has 4 divisors (see below), whose sum is σ = 24663761968356. Its totient is φ = 21140367401424.

The previous prime is 22902064684871. The next prime is 22902064684897. The reversal of 22902064684889 is 98848646020922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4701559582864 + 18200505102025 = 2168308^2 + 4266205^2 .

It is a cyclic number.

It is not a de Polignac number, because 22902064684889 - 2³⁶ = 22833345208153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22902064684819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880848641714 + ... + 880848641739.

It is an arithmetic number, because the mean of its divisors is an integer number (6165940492089).

Almost surely, 2^{22902064684889} is an apocalyptic number.

It is an amenable number.

22902064684889 is a deficient number, since it is larger than the sum of its proper divisors (1761697283467).

22902064684889 is a wasteful number, since it uses less digits than its factorization.

22902064684889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761697283466.

The product of its (nonzero) digits is 191102976, while the sum is 68.

The spelling of 22902064684889 in words is "twenty-two trillion, nine hundred two billion, sixty-four million, six hundred eighty-four thousand, eight hundred eighty-nine".