17964939242 has 8 divisors (see below), whose sum is σ = 28365693600. Its totient is φ = 8509708044.

The previous prime is 17964939229. The next prime is 17964939247. The reversal of 17964939242 is 24293946971.

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

It is not an unprimeable number, because it can be changed into a prime (17964939247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236380742 + ... + 236380817.

It is an arithmetic number, because the mean of its divisors is an integer number (3545711700).

Almost surely, 2^17964939242 is an apocalyptic number.

17964939242 is a deficient number, since it is larger than the sum of its proper divisors (10400754358).

17964939242 is a wasteful number, since it uses less digits than its factorization.

17964939242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472761580.

The product of its digits is 5878656, while the sum is 56.

The spelling of 17964939242 in words is "seventeen billion, nine hundred sixty-four million, nine hundred thirty-nine thousand, two hundred forty-two".