13315606647 has 8 divisors (see below), whose sum is σ = 20290448256. Its totient is φ = 7608918072.

The previous prime is 13315606639. The next prime is 13315606693. The reversal of 13315606647 is 74660651331.

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

It is not a de Polignac number, because 13315606647 - 2³ = 13315606639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13315606599 and 13315606608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315606147) 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, 317038233 + ... + 317038274.

It is an arithmetic number, because the mean of its divisors is an integer number (2536306032).

Almost surely, 2^13315606647 is an apocalyptic number.

13315606647 is a deficient number, since it is larger than the sum of its proper divisors (6974841609).

13315606647 is an equidigital number, since it uses as much as digits as its factorization.

13315606647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634076517.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 13315606647 in words is "thirteen billion, three hundred fifteen million, six hundred six thousand, six hundred forty-seven".