13298798438 has 16 divisors (see below), whose sum is σ = 20598589440. Its totient is φ = 6432745800.

The previous prime is 13298798431. The next prime is 13298798477. The reversal of 13298798438 is 83489789231.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13298798431) 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, 158993 + ... + 227763.

It is an arithmetic number, because the mean of its divisors is an integer number (1287411840).

Almost surely, 2^13298798438 is an apocalyptic number.

13298798438 is a deficient number, since it is larger than the sum of its proper divisors (7299791002).

13298798438 is a wasteful number, since it uses less digits than its factorization.

13298798438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71923.

The product of its digits is 20901888, while the sum is 62.

The spelling of 13298798438 in words is "thirteen billion, two hundred ninety-eight million, seven hundred ninety-eight thousand, four hundred thirty-eight".