13750840017 has 12 divisors (see below), whose sum is σ = 20597966480. Its totient is φ = 9167226516.

The previous prime is 13750840009. The next prime is 13750840067. The reversal of 13750840017 is 71004805731.

13750840017 is a `hidden beast` number, since 137 + 508 + 4 + 0 + 0 + 17 = 666.

It is not a de Polignac number, because 13750840017 - 2³ = 13750840009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13750840067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28293667 + ... + 28294152.

Almost surely, 2^13750840017 is an apocalyptic number.

It is an amenable number.

13750840017 is a deficient number, since it is larger than the sum of its proper divisors (6847126463).

13750840017 is an frugal number, since it uses more digits than its factorization.

13750840017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56587834 (or 56587822 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 13750840017 in words is "thirteen billion, seven hundred fifty million, eight hundred forty thousand, seventeen".