12629621917 has 8 divisors (see below), whose sum is σ = 14502915360. Its totient is φ = 10877186160.

The previous prime is 12629621899. The next prime is 12629621947. The reversal of 12629621917 is 71912692621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12629621917 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 (12629621947) 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, 30214198 + ... + 30214615.

It is an arithmetic number, because the mean of its divisors is an integer number (1812864420).

Almost surely, 2^12629621917 is an apocalyptic number.

It is an amenable number.

12629621917 is a deficient number, since it is larger than the sum of its proper divisors (1873293443).

12629621917 is a wasteful number, since it uses less digits than its factorization.

12629621917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60428843.

The product of its digits is 163296, while the sum is 46.

The spelling of 12629621917 in words is "twelve billion, six hundred twenty-nine million, six hundred twenty-one thousand, nine hundred seventeen".