17313993985 has 8 divisors (see below), whose sum is σ = 21447012096. Its totient is φ = 13404382320.

The previous prime is 17313993959. The next prime is 17313994001. The reversal of 17313993985 is 58939931371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-17313993985 is a prime.

It is a Duffinian 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, 55851439 + ... + 55851748.

It is an arithmetic number, because the mean of its divisors is an integer number (2680876512).

Almost surely, 2^17313993985 is an apocalyptic number.

It is an amenable number.

17313993985 is a deficient number, since it is larger than the sum of its proper divisors (4133018111).

17313993985 is a wasteful number, since it uses less digits than its factorization.

17313993985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111703223.

The product of its digits is 5511240, while the sum is 58.

The spelling of 17313993985 in words is "seventeen billion, three hundred thirteen million, nine hundred ninety-three thousand, nine hundred eighty-five".