2051374194 has 32 divisors (see below), whose sum is σ = 4562642880. Its totient is φ = 683186400.

The previous prime is 2051374181. The next prime is 2051374201. The reversal of 2051374194 is 4914731502.

2051374194 is a `hidden beast` number, since 205 + 1 + 37 + 419 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

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, 47014 + ... + 79454.

It is an arithmetic number, because the mean of its divisors is an integer number (142582590).

Almost surely, 2^2051374194 is an apocalyptic number.

2051374194 is an abundant number, since it is smaller than the sum of its proper divisors (2511268686).

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

2051374194 is a wasteful number, since it uses less digits than its factorization.

2051374194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33623 (or 33617 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2051374194 is about 45292.0985824238. The cubic root of 2051374194 is about 1270.6178806695.

The spelling of 2051374194 in words is "two billion, fifty-one million, three hundred seventy-four thousand, one hundred ninety-four".