2159230680 has 96 divisors (see below), whose sum is σ = 7386865200. Its totient is φ = 545488128.

The previous prime is 2159230663. The next prime is 2159230709. The reversal of 2159230680 is 860329512.

2159230680 is a `hidden beast` number, since 2 + 1 + 592 + 3 + 0 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150999 + ... + 164678.

Almost surely, 2^2159230680 is an apocalyptic number.

2159230680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2159230680 is an abundant number, since it is smaller than the sum of its proper divisors (5227634520).

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

2159230680 is a wasteful number, since it uses less digits than its factorization.

2159230680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315713 (or 315706 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2159230680 is about 46467.5228519877. The cubic root of 2159230680 is about 1292.5073282311.

The spelling of 2159230680 in words is "two billion, one hundred fifty-nine million, two hundred thirty thousand, six hundred eighty".