63627134399 has 4 divisors (see below), whose sum is σ = 64980903264. Its totient is φ = 62273365536.

The previous prime is 63627134369. The next prime is 63627134437. The reversal of 63627134399 is 99343172636.

It is a happy number.

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 63627134399 - 2⁸ = 63627134143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63627134399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63627134369) 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, 676884362 + ... + 676884455.

It is an arithmetic number, because the mean of its divisors is an integer number (16245225816).

Almost surely, 2^63627134399 is an apocalyptic number.

63627134399 is a deficient number, since it is larger than the sum of its proper divisors (1353768865).

63627134399 is a wasteful number, since it uses less digits than its factorization.

63627134399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353768864.

The product of its digits is 4408992, while the sum is 53.

The spelling of 63627134399 in words is "sixty-three billion, six hundred twenty-seven million, one hundred thirty-four thousand, three hundred ninety-nine".