13719017660 has 24 divisors (see below), whose sum is σ = 28813379616. Its totient is φ = 5486951360.

The previous prime is 13719017639. The next prime is 13719017699. The reversal of 13719017660 is 6671091731.

It is a happy number.

It is a super-2 number, since 2×13719017660² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152969 + ... + 225471.

It is an arithmetic number, because the mean of its divisors is an integer number (1200557484).

Almost surely, 2^13719017660 is an apocalyptic number.

13719017660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13719017660 is an abundant number, since it is smaller than the sum of its proper divisors (15094361956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13719017660 is a wasteful number, since it uses less digits than its factorization.

13719017660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81973 (or 81971 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 41.

The spelling of 13719017660 in words is "thirteen billion, seven hundred nineteen million, seventeen thousand, six hundred sixty".