13994724642 has 8 divisors (see below), whose sum is σ = 27989449296. Its totient is φ = 4664908212.

The previous prime is 13994724617. The next prime is 13994724691. The reversal of 13994724642 is 24642749931.

It is a happy number.

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

13994724642 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166227048 + ... + 1166227059.

It is an arithmetic number, because the mean of its divisors is an integer number (3498681162).

Almost surely, 2^13994724642 is an apocalyptic number.

13994724642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13994724642 is a wasteful number, since it uses less digits than its factorization.

13994724642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332454112.

The product of its digits is 2612736, while the sum is 51.

The spelling of 13994724642 in words is "thirteen billion, nine hundred ninety-four million, seven hundred twenty-four thousand, six hundred forty-two".