13680477941 has 4 divisors (see below), whose sum is σ = 14732822412. Its totient is φ = 12628133472.

The previous prime is 13680477887. The next prime is 13680477959. The reversal of 13680477941 is 14977408631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 700660900 + 12979817041 = 26470^2 + 113929^2 .

It is a cyclic number.

It is not a de Polignac number, because 13680477941 - 2²² = 13676283637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13680477941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680437941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526172216 + ... + 526172241.

It is an arithmetic number, because the mean of its divisors is an integer number (3683205603).

Almost surely, 2^13680477941 is an apocalyptic number.

It is an amenable number.

13680477941 is a deficient number, since it is larger than the sum of its proper divisors (1052344471).

13680477941 is a wasteful number, since it uses less digits than its factorization.

13680477941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052344470.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 13680477941 in words is "thirteen billion, six hundred eighty million, four hundred seventy-seven thousand, nine hundred forty-one".