13319953418 has 4 divisors (see below), whose sum is σ = 19979930130. Its totient is φ = 6659976708.

The previous prime is 13319953403. The next prime is 13319953487. The reversal of 13319953418 is 81435991331.

13319953418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 13314159769 + 5793649 = 115387^2 + 2407^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3329988353 + ... + 3329988356.

Almost surely, 2^13319953418 is an apocalyptic number.

13319953418 is a deficient number, since it is larger than the sum of its proper divisors (6659976712).

13319953418 is an equidigital number, since it uses as much as digits as its factorization.

13319953418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6659976711.

The product of its digits is 349920, while the sum is 47.

The spelling of 13319953418 in words is "thirteen billion, three hundred nineteen million, nine hundred fifty-three thousand, four hundred eighteen".