17994097708 has 6 divisors (see below), whose sum is σ = 31489670996. Its totient is φ = 8997048852.

The previous prime is 17994097703. The next prime is 17994097717. The reversal of 17994097708 is 80779049971.

It is not an unprimeable number, because it can be changed into a prime (17994097703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2249262210 + ... + 2249262217.

Almost surely, 2^17994097708 is an apocalyptic number.

It is an amenable number.

17994097708 is a deficient number, since it is larger than the sum of its proper divisors (13495573288).

17994097708 is a wasteful number, since it uses less digits than its factorization.

17994097708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498524431 (or 4498524429 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 61.

The spelling of 17994097708 in words is "seventeen billion, nine hundred ninety-four million, ninety-seven thousand, seven hundred eight".