2159874816 has 72 divisors (see below), whose sum is σ = 6271024704. Its totient is φ = 654504960.

The previous prime is 2159874791. The next prime is 2159874833. The reversal of 2159874816 is 6184789512.

It is a super-3 number, since 3×2159874816³ (a number of 29 digits) contains 333 as substring.

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, 119386 + ... + 136281.

Almost surely, 2^2159874816 is an apocalyptic number.

It is an amenable number.

2159874816 is an abundant number, since it is smaller than the sum of its proper divisors (4111149888).

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

2159874816 is a wasteful number, since it uses less digits than its factorization.

2159874816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255697 (or 255683 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 2159874816 is about 46474.4533695664. The cubic root of 2159874816 is about 1292.6358412448.

The spelling of 2159874816 in words is "two billion, one hundred fifty-nine million, eight hundred seventy-four thousand, eight hundred sixteen".