17940960682 has 4 divisors (see below), whose sum is σ = 26911441026. Its totient is φ = 8970480340.

The previous prime is 17940960643. The next prime is 17940960707. The reversal of 17940960682 is 28606904971.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13427942641 + 4513018041 = 115879^2 + 67179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4485240169 + ... + 4485240172.

Almost surely, 2^17940960682 is an apocalyptic number.

17940960682 is a deficient number, since it is larger than the sum of its proper divisors (8970480344).

17940960682 is an equidigital number, since it uses as much as digits as its factorization.

17940960682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970480343.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 17940960682 in words is "seventeen billion, nine hundred forty million, nine hundred sixty thousand, six hundred eighty-two".