12633647607 has 18 divisors (see below), whose sum is σ = 21227966448. Its totient is φ = 7219226952.

The previous prime is 12633647581. The next prime is 12633647617. The reversal of 12633647607 is 70674633621.

12633647607 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 36 + 4 + 7 + 607 = 666.

It is not a de Polignac number, because 12633647607 - 2²⁴ = 12616870391 is a prime.

It is a super-3 number, since 3×12633647607³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633647617) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14323423 + ... + 14324304.

Almost surely, 2^12633647607 is an apocalyptic number.

12633647607 is a deficient number, since it is larger than the sum of its proper divisors (8594318841).

12633647607 is a wasteful number, since it uses less digits than its factorization.

12633647607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28647747 (or 28647737 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 12633647607 in words is "twelve billion, six hundred thirty-three million, six hundred forty-seven thousand, six hundred seven".