17869378959 has 6 divisors (see below), whose sum is σ = 25811325176. Its totient is φ = 11912919300.

The previous prime is 17869378921. The next prime is 17869378981. The reversal of 17869378959 is 95987396871.

It is not a de Polignac number, because 17869378959 - 2¹¹ = 17869376911 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 (17869378999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992743267 + ... + 992743284.

Almost surely, 2^17869378959 is an apocalyptic number.

17869378959 is a deficient number, since it is larger than the sum of its proper divisors (7941946217).

17869378959 is a wasteful number, since it uses less digits than its factorization.

17869378959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985486557 (or 1985486554 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 72.

The spelling of 17869378959 in words is "seventeen billion, eight hundred sixty-nine million, three hundred seventy-eight thousand, nine hundred fifty-nine".