2715991900 has 18 divisors (see below), whose sum is σ = 5893702640. Its totient is φ = 1086396720.

The previous prime is 2715991891. The next prime is 2715991963. The reversal of 2715991900 is 91995172.

It is a super-2 number, since 2×2715991900² = 14753224001731220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13579860 + ... + 13580059.

Almost surely, 2^2715991900 is an apocalyptic number.

2715991900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2715991900 is an abundant number, since it is smaller than the sum of its proper divisors (3177710740).

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

2715991900 is a wasteful number, since it uses less digits than its factorization.

2715991900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27159933 (or 27159926 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 2715991900 is about 52115.1791707560. The cubic root of 2715991900 is about 1395.2204188304.

The spelling of 2715991900 in words is "two billion, seven hundred fifteen million, nine hundred ninety-one thousand, nine hundred".