12627635393 has 4 divisors (see below), whose sum is σ = 12752661588. Its totient is φ = 12502609200.

The previous prime is 12627635389. The next prime is 12627635407. The reversal of 12627635393 is 39353672621.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11490124864 + 1137510529 = 107192^2 + 33727^2 .

It is a cyclic number.

It is not a de Polignac number, because 12627635393 - 2² = 12627635389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12627635093) 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, 62512946 + ... + 62513147.

It is an arithmetic number, because the mean of its divisors is an integer number (3188165397).

Almost surely, 2^12627635393 is an apocalyptic number.

It is an amenable number.

12627635393 is a deficient number, since it is larger than the sum of its proper divisors (125026195).

12627635393 is a wasteful number, since it uses less digits than its factorization.

12627635393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125026194.

The product of its digits is 1224720, while the sum is 47.

The spelling of 12627635393 in words is "twelve billion, six hundred twenty-seven million, six hundred thirty-five thousand, three hundred ninety-three".