13299549738 has 48 divisors (see below), whose sum is σ = 28100792160. Its totient is φ = 4195661472.

The previous prime is 13299549733. The next prime is 13299549743. The reversal of 13299549738 is 83794599231.

It is an interprime number because it is at equal distance from previous prime (13299549733) and next prime (13299549743).

It is not an unprimeable number, because it can be changed into a prime (13299549733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2724556 + ... + 2729432.

It is an arithmetic number, because the mean of its divisors is an integer number (585433170).

Almost surely, 2^13299549738 is an apocalyptic number.

13299549738 is an abundant number, since it is smaller than the sum of its proper divisors (14801242422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13299549738 is a wasteful number, since it uses less digits than its factorization.

13299549738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179 (or 6160 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 13299549738 in words is "thirteen billion, two hundred ninety-nine million, five hundred forty-nine thousand, seven hundred thirty-eight".