12639417295 has 8 divisors (see below), whose sum is σ = 16059495024. Its totient is φ = 9516737664.

The previous prime is 12639417293. The next prime is 12639417341. The reversal of 12639417295 is 59271493621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12639417295 - 2¹ = 12639417293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12639417293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74349429 + ... + 74349598.

It is an arithmetic number, because the mean of its divisors is an integer number (2007436878).

Almost surely, 2^12639417295 is an apocalyptic number.

12639417295 is a deficient number, since it is larger than the sum of its proper divisors (3420077729).

12639417295 is a wasteful number, since it uses less digits than its factorization.

12639417295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148699049.

The product of its digits is 816480, while the sum is 49.

The spelling of 12639417295 in words is "twelve billion, six hundred thirty-nine million, four hundred seventeen thousand, two hundred ninety-five".