14539663393 has 4 divisors (see below), whose sum is σ = 14547194928. Its totient is φ = 14532131860.

The previous prime is 14539663339. The next prime is 14539663403. The reversal of 14539663393 is 39336693541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39336693541 = 164471 ⋅239171.

It is a cyclic number.

It is not a de Polignac number, because 14539663393 - 2⁹ = 14539662881 is a prime.

It is a super-2 number, since 2×14539663393² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14539663393.

It is not an unprimeable number, because it can be changed into a prime (14539663093) by changing a digit.

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, 3762871 + ... + 3766732.

It is an arithmetic number, because the mean of its divisors is an integer number (3636798732).

Almost surely, 2^14539663393 is an apocalyptic number.

It is an amenable number.

14539663393 is a deficient number, since it is larger than the sum of its proper divisors (7531535).

14539663393 is an equidigital number, since it uses as much as digits as its factorization.

14539663393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531534.

The product of its digits is 4723920, while the sum is 52.

The spelling of 14539663393 in words is "fourteen billion, five hundred thirty-nine million, six hundred sixty-three thousand, three hundred ninety-three".