2151594874 has 32 divisors (see below), whose sum is σ = 3800079360. Its totient is φ = 900753600.

The previous prime is 2151594839. The next prime is 2151594877. The reversal of 2151594874 is 4784951512.

It is not an unprimeable number, because it can be changed into a prime (2151594877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123687 + ... + 140005.

It is an arithmetic number, because the mean of its divisors is an integer number (118752480).

Almost surely, 2^2151594874 is an apocalyptic number.

2151594874 is a deficient number, since it is larger than the sum of its proper divisors (1648484486).

2151594874 is a wasteful number, since it uses less digits than its factorization.

2151594874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16806.

The product of its digits is 403200, while the sum is 46.

The square root of 2151594874 is about 46385.2872579226. The cubic root of 2151594874 is about 1290.9819405027.

The spelling of 2151594874 in words is "two billion, one hundred fifty-one million, five hundred ninety-four thousand, eight hundred seventy-four".