13904382493 has 8 divisors (see below), whose sum is σ = 13970394368. Its totient is φ = 13838403744.

The previous prime is 13904382461. The next prime is 13904382553. The reversal of 13904382493 is 39428340931.

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 13904382493 - 2⁵ = 13904382461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904352493) 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, 1349146 + ... + 1359412.

It is an arithmetic number, because the mean of its divisors is an integer number (1746299296).

Almost surely, 2^13904382493 is an apocalyptic number.

It is an amenable number.

13904382493 is a deficient number, since it is larger than the sum of its proper divisors (66011875).

13904382493 is a wasteful number, since it uses less digits than its factorization.

13904382493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16563.

The product of its (nonzero) digits is 559872, while the sum is 46.

It can be divided in two parts, 1390438 and 2493, that added together give a palindrome (1392931).

The spelling of 13904382493 in words is "thirteen billion, nine hundred four million, three hundred eighty-two thousand, four hundred ninety-three".