2150910900 has 54 divisors (see below), whose sum is σ = 6741913542. Its totient is φ = 573576000.

The previous prime is 2150910863. The next prime is 2150910911. The reversal of 2150910900 is 90190512.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 328987044 + 1821923856 = 18138^2 + 42684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1194051 + ... + 1195850.

Almost surely, 2^2150910900 is an apocalyptic number.

2150910900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150910900 is an abundant number, since it is smaller than the sum of its proper divisors (4591002642).

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

2150910900 is a wasteful number, since it uses less digits than its factorization.

2150910900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389921 (or 2389911 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2150910900 is about 46377.9139246258. The cubic root of 2150910900 is about 1290.8451285537.

The spelling of 2150910900 in words is "two billion, one hundred fifty million, nine hundred ten thousand, nine hundred".