13481340668 has 6 divisors (see below), whose sum is σ = 23592346176. Its totient is φ = 6740670332.

The previous prime is 13481340619. The next prime is 13481340673. The reversal of 13481340668 is 86604318431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685167580 + ... + 1685167587.

It is an arithmetic number, because the mean of its divisors is an integer number (3932057696).

Almost surely, 2^13481340668 is an apocalyptic number.

It is an amenable number.

13481340668 is a deficient number, since it is larger than the sum of its proper divisors (10111005508).

13481340668 is a wasteful number, since it uses less digits than its factorization.

13481340668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370335171 (or 3370335169 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 13481340668 in words is "thirteen billion, four hundred eighty-one million, three hundred forty thousand, six hundred sixty-eight".