2163456392 has 8 divisors (see below), whose sum is σ = 4056480750. Its totient is φ = 1081728192.

The previous prime is 2163456349. The next prime is 2163456403. The reversal of 2163456392 is 2936543612.

It can be written as a sum of positive squares in only one way, i.e., 2055171556 + 108284836 = 45334^2 + 10406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135216017 + ... + 135216032.

Almost surely, 2^2163456392 is an apocalyptic number.

It is an amenable number.

2163456392 is a deficient number, since it is larger than the sum of its proper divisors (1893024358).

2163456392 is a wasteful number, since it uses less digits than its factorization.

2163456392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270432055 (or 270432051 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 2163456392 is about 46512.9701481211. The cubic root of 2163456392 is about 1293.3499438709.

The spelling of 2163456392 in words is "two billion, one hundred sixty-three million, four hundred fifty-six thousand, three hundred ninety-two".