13199809234 has 4 divisors (see below), whose sum is σ = 19799713854. Its totient is φ = 6599904616.

The previous prime is 13199809213. The next prime is 13199809241. The reversal of 13199809234 is 43290899131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11449642009 + 1750167225 = 107003^2 + 41835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3299952307 + ... + 3299952310.

Almost surely, 2^13199809234 is an apocalyptic number.

13199809234 is a deficient number, since it is larger than the sum of its proper divisors (6599904620).

13199809234 is an equidigital number, since it uses as much as digits as its factorization.

13199809234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599904619.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 13199809234 in words is "thirteen billion, one hundred ninety-nine million, eight hundred nine thousand, two hundred thirty-four".