8100489864 has 32 divisors (see below), whose sum is σ = 20254237920. Its totient is φ = 2699761536.

The previous prime is 8100489847. The next prime is 8100489911. The reversal of 8100489864 is 4689840018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170719 + ... + 212945.

It is an arithmetic number, because the mean of its divisors is an integer number (632944935).

Almost surely, 2^8100489864 is an apocalyptic number.

It is an amenable number.

8100489864 is an abundant number, since it is smaller than the sum of its proper divisors (12153748056).

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

8100489864 is a wasteful number, since it uses less digits than its factorization.

8100489864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50229 (or 50225 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 8100489864 is about 90002.7214255214. The cubic root of 8100489864 is about 2008.3393347517.

The spelling of 8100489864 in words is "eight billion, one hundred million, four hundred eighty-nine thousand, eight hundred sixty-four".