17940967293 has 8 divisors (see below), whose sum is σ = 24109646848. Its totient is φ = 11866466304.

The previous prime is 17940967283. The next prime is 17940967307. The reversal of 17940967293 is 39276904971.

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

It is not a de Polignac number, because 17940967293 - 2¹² = 17940963197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17940967223) 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, 23544196 + ... + 23544957.

It is an arithmetic number, because the mean of its divisors is an integer number (3013705856).

Almost surely, 2^17940967293 is an apocalyptic number.

It is an amenable number.

17940967293 is a deficient number, since it is larger than the sum of its proper divisors (6168679555).

17940967293 is a wasteful number, since it uses less digits than its factorization.

17940967293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47089283.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 17940967293 in words is "seventeen billion, nine hundred forty million, nine hundred sixty-seven thousand, two hundred ninety-three".