13684640341 has 4 divisors (see below), whose sum is σ = 14126080384. Its totient is φ = 13243200300.

The previous prime is 13684640327. The next prime is 13684640353. The reversal of 13684640341 is 14304648631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13684640341 - 2⁷ = 13684640213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13684640294 and 13684640303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13684640311) 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, 220719975 + ... + 220720036.

It is an arithmetic number, because the mean of its divisors is an integer number (3531520096).

Almost surely, 2^13684640341 is an apocalyptic number.

It is an amenable number.

13684640341 is a deficient number, since it is larger than the sum of its proper divisors (441440043).

13684640341 is an equidigital number, since it uses as much as digits as its factorization.

13684640341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441440042.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 13684640341 in words is "thirteen billion, six hundred eighty-four million, six hundred forty thousand, three hundred forty-one".