2148704172 has 42 divisors (see below), whose sum is σ = 5637777068. Its totient is φ = 716233752.

The previous prime is 2148704113. The next prime is 2148704189. The reversal of 2148704172 is 2714078412.

2148704172 is a `hidden beast` number, since 2 + 1 + 487 + 0 + 4 + 172 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 365518 + ... + 371349.

Almost surely, 2^2148704172 is an apocalyptic number.

It is an amenable number.

2148704172 is an abundant number, since it is smaller than the sum of its proper divisors (3489072896).

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

2148704172 is an equidigital number, since it uses as much as digits as its factorization.

2148704172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736889 (or 736872 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2148704172 is about 46354.1170987001. The cubic root of 2148704172 is about 1290.4035297874.

The spelling of 2148704172 in words is "two billion, one hundred forty-eight million, seven hundred four thousand, one hundred seventy-two".