13961731514 has 16 divisors (see below), whose sum is σ = 20998434600. Its totient is φ = 6962279424.

The previous prime is 13961731507. The next prime is 13961731543. The reversal of 13961731514 is 41513716931.

13961731514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10882036489 + 3079695025 = 104317^2 + 55495^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 1209482 + ... + 1220970.

Almost surely, 2^13961731514 is an apocalyptic number.

13961731514 is a deficient number, since it is larger than the sum of its proper divisors (7036703086).

13961731514 is a wasteful number, since it uses less digits than its factorization.

13961731514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13057.

The product of its digits is 68040, while the sum is 41.

The spelling of 13961731514 in words is "thirteen billion, nine hundred sixty-one million, seven hundred thirty-one thousand, five hundred fourteen".