13993423499 has 8 divisors (see below), whose sum is σ = 15385755648. Its totient is φ = 12621125160.

The previous prime is 13993423463. The next prime is 13993423511. The reversal of 13993423499 is 99432439931.

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 13993423499 - 2⁸ = 13993423243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13993423439) 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, 5006987 + ... + 5009780.

It is an arithmetic number, because the mean of its divisors is an integer number (1923219456).

Almost surely, 2^13993423499 is an apocalyptic number.

13993423499 is a deficient number, since it is larger than the sum of its proper divisors (1392332149).

13993423499 is a wasteful number, since it uses less digits than its factorization.

13993423499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016905.

The product of its digits is 5668704, while the sum is 56.

The spelling of 13993423499 in words is "thirteen billion, nine hundred ninety-three million, four hundred twenty-three thousand, four hundred ninety-nine".