2159802860 has 24 divisors (see below), whose sum is σ = 4681896576. Its totient is φ = 836052480.

The previous prime is 2159802847. The next prime is 2159802871. The reversal of 2159802860 is 682089512.

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, 1741157 + ... + 1742396.

It is an arithmetic number, because the mean of its divisors is an integer number (195079024).

Almost surely, 2^2159802860 is an apocalyptic number.

2159802860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2159802860 is an abundant number, since it is smaller than the sum of its proper divisors (2522093716).

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

2159802860 is a wasteful number, since it uses less digits than its factorization.

2159802860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483593 (or 3483591 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2159802860 is about 46473.6792173807. The cubic root of 2159802860 is about 1292.6214864102.

The spelling of 2159802860 in words is "two billion, one hundred fifty-nine million, eight hundred two thousand, eight hundred sixty".