18964589363088 has 20 divisors (see below), whose sum is σ = 48991855854768. Its totient is φ = 6321529787680.

The previous prime is 18964589363087. The next prime is 18964589363113. The reversal of 18964589363088 is 88036398546981.

It is not an unprimeable number, because it can be changed into a prime (18964589363087) 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, 197547805818 + ... + 197547805913.

Almost surely, 2^{18964589363088} is an apocalyptic number.

It is an amenable number.

18964589363088 is an abundant number, since it is smaller than the sum of its proper divisors (30027266491680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18964589363088 is a wasteful number, since it uses less digits than its factorization.

18964589363088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395095611742 (or 395095611736 counting only the distinct ones).

The product of its (nonzero) digits is 2149908480, while the sum is 78.

The spelling of 18964589363088 in words is "eighteen trillion, nine hundred sixty-four billion, five hundred eighty-nine million, three hundred sixty-three thousand, eighty-eight".