13393963939 has 8 divisors (see below), whose sum is σ = 13433008320. Its totient is φ = 13354970496.

The previous prime is 13393963937. The next prime is 13393963951. The reversal of 13393963939 is 93936939331.

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 13393963939 - 2¹ = 13393963937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13393963937) 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, 549499 + ... + 573355.

It is an arithmetic number, because the mean of its divisors is an integer number (1679126040).

Almost surely, 2^13393963939 is an apocalyptic number.

13393963939 is a deficient number, since it is larger than the sum of its proper divisors (39044381).

13393963939 is a wasteful number, since it uses less digits than its factorization.

13393963939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25469.

The product of its digits is 9565938, while the sum is 58.

The spelling of 13393963939 in words is "thirteen billion, three hundred ninety-three million, nine hundred sixty-three thousand, nine hundred thirty-nine".