17968714737 has 16 divisors (see below), whose sum is σ = 25083051840. Its totient is φ = 11426714432.

The previous prime is 17968714717. The next prime is 17968714739. The reversal of 17968714737 is 73741786971.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17968714737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17968714739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236978 + ... + 1251419.

It is an arithmetic number, because the mean of its divisors is an integer number (1567690740).

Almost surely, 2^17968714737 is an apocalyptic number.

It is an amenable number.

17968714737 is a deficient number, since it is larger than the sum of its proper divisors (7114337103).

17968714737 is a wasteful number, since it uses less digits than its factorization.

17968714737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488512.

The product of its digits is 12446784, while the sum is 60.

The spelling of 17968714737 in words is "seventeen billion, nine hundred sixty-eight million, seven hundred fourteen thousand, seven hundred thirty-seven".