2634633647 has 16 divisors (see below), whose sum is σ = 2799713280. Its totient is φ = 2474128800.

The previous prime is 2634633643. The next prime is 2634633709. The reversal of 2634633647 is 7463364362.

2634633647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2634633647 - 2² = 2634633643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2634633598 and 2634633607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634633643) 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, 324872 + ... + 332882.

It is an arithmetic number, because the mean of its divisors is an integer number (174982080).

Almost surely, 2^2634633647 is an apocalyptic number.

2634633647 is a deficient number, since it is larger than the sum of its proper divisors (165079633).

2634633647 is a wasteful number, since it uses less digits than its factorization.

2634633647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294.

The product of its digits is 1306368, while the sum is 44.

The square root of 2634633647 is about 51328.6824981900. The cubic root of 2634633647 is about 1381.1475519192.

The spelling of 2634633647 in words is "two billion, six hundred thirty-four million, six hundred thirty-three thousand, six hundred forty-seven".