2160426789 has 16 divisors (see below), whose sum is σ = 3201475200. Its totient is φ = 1439905248.

The previous prime is 2160426767. The next prime is 2160426799. The reversal of 2160426789 is 9876240612.

It is a happy number.

2160426789 is a `hidden beast` number, since 216 + 0 + 426 + 7 + 8 + 9 = 666.

It is not a de Polignac number, because 2160426789 - 2²⁰ = 2159378213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160426799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126112 + ... + 142214.

It is an arithmetic number, because the mean of its divisors is an integer number (200092200).

Almost surely, 2^2160426789 is an apocalyptic number.

It is an amenable number.

2160426789 is a deficient number, since it is larger than the sum of its proper divisors (1041048411).

2160426789 is a wasteful number, since it uses less digits than its factorization.

2160426789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081 (or 21075 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2160426789 is about 46480.3914462863. The cubic root of 2160426789 is about 1292.7459462852.

The spelling of 2160426789 in words is "two billion, one hundred sixty million, four hundred twenty-six thousand, seven hundred eighty-nine".