2632688639 has 16 divisors (see below), whose sum is σ = 3092044800. Its totient is φ = 2194223904.

The previous prime is 2632688633. The next prime is 2632688647. The reversal of 2632688639 is 9368862362.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2632688639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2632688633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806192 + ... + 809450.

It is an arithmetic number, because the mean of its divisors is an integer number (193252800).

Almost surely, 2^2632688639 is an apocalyptic number.

2632688639 is a deficient number, since it is larger than the sum of its proper divisors (459356161).

2632688639 is a wasteful number, since it uses less digits than its factorization.

2632688639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422.

The product of its digits is 4478976, while the sum is 53.

The square root of 2632688639 is about 51309.7324003936. The cubic root of 2632688639 is about 1380.8075926523.

The spelling of 2632688639 in words is "two billion, six hundred thirty-two million, six hundred eighty-eight thousand, six hundred thirty-nine".