2651317632 has 48 divisors (see below), whose sum is σ = 7629445980. Its totient is φ = 883772160.

The previous prime is 2651317597. The next prime is 2651317639. The reversal of 2651317632 is 2367131562.

2651317632 is a `hidden beast` number, since 2 + 6 + 5 + 1 + 3 + 17 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651317639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149594 + ... + 1151897.

Almost surely, 2^2651317632 is an apocalyptic number.

It is an amenable number.

2651317632 is an abundant number, since it is smaller than the sum of its proper divisors (4978128348).

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

2651317632 is a wasteful number, since it uses less digits than its factorization.

2651317632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301511 (or 2301496 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2651317632 is about 51490.9470878134. The cubic root of 2651317632 is about 1384.0568210380.

The spelling of 2651317632 in words is "two billion, six hundred fifty-one million, three hundred seventeen thousand, six hundred thirty-two".