13790006643 has 20 divisors (see below), whose sum is σ = 21449856328. Its totient is φ = 7879999680.

The previous prime is 13790006627. The next prime is 13790006651. The reversal of 13790006643 is 34660009731.

It is not a de Polignac number, because 13790006643 - 2⁴ = 13790006627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13790006683) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 950038 + ... + 964443.

Almost surely, 2^13790006643 is an apocalyptic number.

13790006643 is a deficient number, since it is larger than the sum of its proper divisors (7659849685).

13790006643 is an frugal number, since it uses more digits than its factorization.

13790006643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914512 (or 1914491 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 13790006643 in words is "thirteen billion, seven hundred ninety million, six thousand, six hundred forty-three".