13198608438 has 16 divisors (see below), whose sum is σ = 27786544320. Its totient is φ = 4167981576.

The previous prime is 13198608433. The next prime is 13198608463. The reversal of 13198608438 is 83480689131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13198608431) 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, 57888520 + ... + 57888747.

It is an arithmetic number, because the mean of its divisors is an integer number (1736659020).

Almost surely, 2^13198608438 is an apocalyptic number.

13198608438 is an abundant number, since it is smaller than the sum of its proper divisors (14587935882).

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

13198608438 is a wasteful number, since it uses less digits than its factorization.

13198608438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115777291.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 13198608438 in words is "thirteen billion, one hundred ninety-eight million, six hundred eight thousand, four hundred thirty-eight".