13718105944 has 32 divisors (see below), whose sum is σ = 28008846000. Its totient is φ = 6273977472.

The previous prime is 13718105923. The next prime is 13718105959. The reversal of 13718105944 is 44950181731.

It is a happy number.

It is a super-2 number, since 2×13718105944² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13718105944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551639 + ... + 1560454.

Almost surely, 2^13718105944 is an apocalyptic number.

It is an amenable number.

13718105944 is an abundant number, since it is smaller than the sum of its proper divisors (14290740056).

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

13718105944 is a wasteful number, since it uses less digits than its factorization.

13718105944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112147 (or 3112143 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 13718105944 in words is "thirteen billion, seven hundred eighteen million, one hundred five thousand, nine hundred forty-four".