17999282968 has 32 divisors (see below), whose sum is σ = 34543872000. Its totient is φ = 8787709728.

The previous prime is 17999282963. The next prime is 17999282969. The reversal of 17999282968 is 86928299971.

It is a junction number, because it is equal to n+sod(n) for n = 17999282897 and 17999282906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17999282963) 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, 1645405 + ... + 1656307.

It is an arithmetic number, because the mean of its divisors is an integer number (1079496000).

Almost surely, 2^17999282968 is an apocalyptic number.

It is an amenable number.

17999282968 is a deficient number, since it is larger than the sum of its proper divisors (16544589032).

17999282968 is a wasteful number, since it uses less digits than its factorization.

17999282968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751 (or 15747 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 70.

The spelling of 17999282968 in words is "seventeen billion, nine hundred ninety-nine million, two hundred eighty-two thousand, nine hundred sixty-eight".