13639493803 has 8 divisors (see below), whose sum is σ = 14804346368. Its totient is φ = 12491164224.

The previous prime is 13639493797. The next prime is 13639493807. The reversal of 13639493803 is 30839493631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13639493803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13639493807) 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, 4129026 + ... + 4132327.

It is an arithmetic number, because the mean of its divisors is an integer number (1850543296).

Almost surely, 2^13639493803 is an apocalyptic number.

13639493803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13639493803 is a deficient number, since it is larger than the sum of its proper divisors (1164852565).

13639493803 is a wasteful number, since it uses less digits than its factorization.

13639493803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261493.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 13639493803 in words is "thirteen billion, six hundred thirty-nine million, four hundred ninety-three thousand, eight hundred three".