17923699089 has 8 divisors (see below), whose sum is σ = 26553628320. Its totient is φ = 11949132708.

The previous prime is 17923699021. The next prime is 17923699109. The reversal of 17923699089 is 98099632971.

It is a happy number.

It is not a de Polignac number, because 17923699089 - 2¹¹ = 17923697041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17923699789) 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, 331920327 + ... + 331920380.

It is an arithmetic number, because the mean of its divisors is an integer number (3319203540).

Almost surely, 2^17923699089 is an apocalyptic number.

It is an amenable number.

17923699089 is a deficient number, since it is larger than the sum of its proper divisors (8629929231).

17923699089 is an equidigital number, since it uses as much as digits as its factorization.

17923699089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663840716 (or 663840710 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 17923699089 in words is "seventeen billion, nine hundred twenty-three million, six hundred ninety-nine thousand, eighty-nine".