22947553989 has 24 divisors (see below), whose sum is σ = 36113809920. Its totient is φ = 14398460352.

The previous prime is 22947553973. The next prime is 22947554009. The reversal of 22947553989 is 98935574922.

22947553989 is a `hidden beast` number, since 2 + 2 + 94 + 7 + 5 + 539 + 8 + 9 = 666.

It is not a de Polignac number, because 22947553989 - 2⁴ = 22947553973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22947553919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1462629 + ... + 1478234.

It is an arithmetic number, because the mean of its divisors is an integer number (1504742080).

Almost surely, 2^22947553989 is an apocalyptic number.

It is an amenable number.

22947553989 is a deficient number, since it is larger than the sum of its proper divisors (13166255931).

22947553989 is a wasteful number, since it uses less digits than its factorization.

22947553989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940906 (or 2940883 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 22947553989 in words is "twenty-two billion, nine hundred forty-seven million, five hundred fifty-three thousand, nine hundred eighty-nine".