13948619939 has 4 divisors (see below), whose sum is σ = 13950009600. Its totient is φ = 13947230280.

The previous prime is 13948619921. The next prime is 13948619959. The reversal of 13948619939 is 93991684931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13948619939 - 2⁸ = 13948619683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13948619959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679664 + ... + 699885.

It is an arithmetic number, because the mean of its divisors is an integer number (3487502400).

Almost surely, 2^13948619939 is an apocalyptic number.

13948619939 is a deficient number, since it is larger than the sum of its proper divisors (1389661).

13948619939 is a wasteful number, since it uses less digits than its factorization.

13948619939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389660.

The product of its digits is 11337408, while the sum is 62.

The spelling of 13948619939 in words is "thirteen billion, nine hundred forty-eight million, six hundred nineteen thousand, nine hundred thirty-nine".