13813464379 has 32 divisors (see below), whose sum is σ = 17239622400. Its totient is φ = 10880645760.

The previous prime is 13813464377. The next prime is 13813464397. The reversal of 13813464379 is 97346431831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13813464379 - 2¹ = 13813464377 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13813464377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272832 + ... + 319474.

It is an arithmetic number, because the mean of its divisors is an integer number (538738200).

Almost surely, 2^13813464379 is an apocalyptic number.

13813464379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13813464379 is a deficient number, since it is larger than the sum of its proper divisors (3426158021).

13813464379 is a wasteful number, since it uses less digits than its factorization.

13813464379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46795.

The product of its digits is 1306368, while the sum is 49.

The spelling of 13813464379 in words is "thirteen billion, eight hundred thirteen million, four hundred sixty-four thousand, three hundred seventy-nine".