13018399739 has 8 divisors (see below), whose sum is σ = 13199303040. Its totient is φ = 12837566016.

The previous prime is 13018399721. The next prime is 13018399781. The reversal of 13018399739 is 93799381031.

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-13018399739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13018399039) 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, 443414 + ... + 471860.

It is an arithmetic number, because the mean of its divisors is an integer number (1649912880).

Almost surely, 2^13018399739 is an apocalyptic number.

13018399739 is a deficient number, since it is larger than the sum of its proper divisors (180903301).

13018399739 is an equidigital number, since it uses as much as digits as its factorization.

13018399739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34789.

The product of its (nonzero) digits is 1102248, while the sum is 53.

It can be divided in two parts, 130183 and 99739, that added together give a palindrome (229922).

The spelling of 13018399739 in words is "thirteen billion, eighteen million, three hundred ninety-nine thousand, seven hundred thirty-nine".