13689918340 has 24 divisors (see below), whose sum is σ = 32855804352. Its totient is φ = 4693686240.

The previous prime is 13689918289. The next prime is 13689918349. The reversal of 13689918340 is 4381998631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13689918349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48892426 + ... + 48892705.

It is an arithmetic number, because the mean of its divisors is an integer number (1368991848).

Almost surely, 2^13689918340 is an apocalyptic number.

13689918340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13689918340 is an abundant number, since it is smaller than the sum of its proper divisors (19165886012).

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

13689918340 is a wasteful number, since it uses less digits than its factorization.

13689918340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97785147 (or 97785145 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 13689918340 in words is "thirteen billion, six hundred eighty-nine million, nine hundred eighteen thousand, three hundred forty".