17920379319 has 8 divisors (see below), whose sum is σ = 23899667712. Its totient is φ = 11944005240.

The previous prime is 17920379293. The next prime is 17920379327. The reversal of 17920379319 is 91397302971.

It is a happy number.

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

It is not a de Polignac number, because 17920379319 - 2⁵ = 17920379287 is a prime.

It is a super-2 number, since 2×17920379319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17920379419) 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, 714189 + ... + 738854.

It is an arithmetic number, because the mean of its divisors is an integer number (2987458464).

Almost surely, 2^17920379319 is an apocalyptic number.

17920379319 is a deficient number, since it is larger than the sum of its proper divisors (5979288393).

17920379319 is a wasteful number, since it uses less digits than its factorization.

17920379319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457157.

The product of its (nonzero) digits is 642978, while the sum is 51.

The spelling of 17920379319 in words is "seventeen billion, nine hundred twenty million, three hundred seventy-nine thousand, three hundred nineteen".