13691682445 has 32 divisors (see below), whose sum is σ = 19892003328. Its totient is φ = 8831735808.

The previous prime is 13691682419. The next prime is 13691682461. The reversal of 13691682445 is 54428619631.

13691682445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13691682445 - 2⁵ = 13691682413 is a prime.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 1436937 + ... + 1446433.

It is an arithmetic number, because the mean of its divisors is an integer number (621625104).

Almost surely, 2^13691682445 is an apocalyptic number.

It is an amenable number.

13691682445 is a deficient number, since it is larger than the sum of its proper divisors (6200320883).

13691682445 is a wasteful number, since it uses less digits than its factorization.

13691682445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11949.

The product of its digits is 1244160, while the sum is 49.

The spelling of 13691682445 in words is "thirteen billion, six hundred ninety-one million, six hundred eighty-two thousand, four hundred forty-five".