2163375972 has 48 divisors (see below), whose sum is σ = 5728101120. Its totient is φ = 705780576.

The previous prime is 2163375941. The next prime is 2163375979. The reversal of 2163375972 is 2795733612.

2163375972 is a `hidden beast` number, since 2 + 1 + 633 + 7 + 5 + 9 + 7 + 2 = 666.

2163375972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2163375979) 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, 208023 + ... + 218174.

It is an arithmetic number, because the mean of its divisors is an integer number (119335440).

Almost surely, 2^2163375972 is an apocalyptic number.

It is an amenable number.

2163375972 is an abundant number, since it is smaller than the sum of its proper divisors (3564725148).

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

2163375972 is a wasteful number, since it uses less digits than its factorization.

2163375972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426257 (or 426249 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 2163375972 is about 46512.1056500348. The cubic root of 2163375972 is about 1293.3339182045. Note that the first 3 decimals are identical.

The spelling of 2163375972 in words is "two billion, one hundred sixty-three million, three hundred seventy-five thousand, nine hundred seventy-two".