13819323478 has 16 divisors (see below), whose sum is σ = 20764452240. Its totient is φ = 6897852000.

The previous prime is 13819323461. The next prime is 13819323491. The reversal of 13819323478 is 87432391831.

13819323478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3981928 + ... + 3985396.

It is an arithmetic number, because the mean of its divisors is an integer number (1297778265).

Almost surely, 2^13819323478 is an apocalyptic number.

13819323478 is a deficient number, since it is larger than the sum of its proper divisors (6945128762).

13819323478 is a wasteful number, since it uses less digits than its factorization.

13819323478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303.

The product of its digits is 870912, while the sum is 49.

The spelling of 13819323478 in words is "thirteen billion, eight hundred nineteen million, three hundred twenty-three thousand, four hundred seventy-eight".