13994049931 has 4 divisors (see below), whose sum is σ = 14335368264. Its totient is φ = 13652731600.

The previous prime is 13994049893. The next prime is 13994049959.

It is a happy number.

13994049931 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 13994049931 - 2¹⁷ = 13993918859 is a prime.

It is a super-2 number, since 2×13994049931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13994049961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170659105 + ... + 170659186.

It is an arithmetic number, because the mean of its divisors is an integer number (3583842066).

Almost surely, 2^13994049931 is an apocalyptic number.

13994049931 is a deficient number, since it is larger than the sum of its proper divisors (341318333).

13994049931 is an equidigital number, since it uses as much as digits as its factorization.

13994049931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341318332.

The product of its (nonzero) digits is 944784, while the sum is 52.

The spelling of 13994049931 in words is "thirteen billion, nine hundred ninety-four million, forty-nine thousand, nine hundred thirty-one".