22891620748389 has 16 divisors (see below), whose sum is σ = 30546001920000. Its totient is φ = 15249164604336.

The previous prime is 22891620748319. The next prime is 22891620748393. The reversal of 22891620748389 is 98384702619822.

It is not a de Polignac number, because 22891620748389 - 2⁸ = 22891620748133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22891620748319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19576092 + ... + 20712474.

It is an arithmetic number, because the mean of its divisors is an integer number (1909125120000).

Almost surely, 2^{22891620748389} is an apocalyptic number.

It is an amenable number.

22891620748389 is a deficient number, since it is larger than the sum of its proper divisors (7654381171611).

22891620748389 is a wasteful number, since it uses less digits than its factorization.

22891620748389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141624.

The product of its (nonzero) digits is 167215104, while the sum is 69.

The spelling of 22891620748389 in words is "twenty-two trillion, eight hundred ninety-one billion, six hundred twenty million, seven hundred forty-eight thousand, three hundred eighty-nine".