2051732961 has 12 divisors (see below), whose sum is σ = 2985248292. Its totient is φ = 1357837056.

The previous prime is 2051732953. The next prime is 2051732981. The reversal of 2051732961 is 1692371502.

2051732961 is a `hidden beast` number, since 20 + 517 + 32 + 96 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 886193361 + 1165539600 = 29769^2 + 34140^2 .

It is not a de Polignac number, because 2051732961 - 2³ = 2051732953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2051732981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830776 + ... + 833241.

It is an arithmetic number, because the mean of its divisors is an integer number (248770691).

Almost surely, 2^2051732961 is an apocalyptic number.

It is an amenable number.

2051732961 is a deficient number, since it is larger than the sum of its proper divisors (933515331).

2051732961 is a wasteful number, since it uses less digits than its factorization.

2051732961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664160 (or 1664157 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2051732961 is about 45296.0590007563. The cubic root of 2051732961 is about 1270.6919495862.

The spelling of 2051732961 in words is "two billion, fifty-one million, seven hundred thirty-two thousand, nine hundred sixty-one".