63132637507 has 4 divisors (see below), whose sum is σ = 64672457976. Its totient is φ = 61592817040.

The previous prime is 63132637499. The next prime is 63132637549. The reversal of 63132637507 is 70573623136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63132637507 - 2³ = 63132637499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63132637207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769910173 + ... + 769910254.

It is an arithmetic number, because the mean of its divisors is an integer number (16168114494).

Almost surely, 2^63132637507 is an apocalyptic number.

63132637507 is a deficient number, since it is larger than the sum of its proper divisors (1539820469).

63132637507 is a wasteful number, since it uses less digits than its factorization.

63132637507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539820468.

The product of its (nonzero) digits is 476280, while the sum is 43.

The spelling of 63132637507 in words is "sixty-three billion, one hundred thirty-two million, six hundred thirty-seven thousand, five hundred seven".