13684694331 has 32 divisors (see below), whose sum is σ = 22983141888. Its totient is φ = 7035632640.

The previous prime is 13684694329. The next prime is 13684694339. The reversal of 13684694331 is 13349648631.

It is not a de Polignac number, because 13684694331 - 2¹ = 13684694329 is a prime.

It is a super-3 number, since 3×13684694331³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (48) 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 (13684694339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282960 + ... + 327773.

It is an arithmetic number, because the mean of its divisors is an integer number (718223184).

Almost surely, 2^13684694331 is an apocalyptic number.

13684694331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13684694331 is a deficient number, since it is larger than the sum of its proper divisors (9298447557).

13684694331 is a wasteful number, since it uses less digits than its factorization.

13684694331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610851.

The product of its digits is 1119744, while the sum is 48.

The spelling of 13684694331 in words is "thirteen billion, six hundred eighty-four million, six hundred ninety-four thousand, three hundred thirty-one".