17936423089 has 24 divisors (see below), whose sum is σ = 19990363680. Its totient is φ = 16079236992.

The previous prime is 17936423051. The next prime is 17936423093. The reversal of 17936423089 is 98032463971.

It is not a de Polignac number, because 17936423089 - 2¹³ = 17936414897 is a prime.

It is a super-2 number, since 2×17936423089² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17936423689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816757 + ... + 838429.

It is an arithmetic number, because the mean of its divisors is an integer number (832931820).

Almost surely, 2^17936423089 is an apocalyptic number.

It is an amenable number.

17936423089 is a deficient number, since it is larger than the sum of its proper divisors (2053940591).

17936423089 is a wasteful number, since it uses less digits than its factorization.

17936423089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21841 (or 21828 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 17936423089 in words is "seventeen billion, nine hundred thirty-six million, four hundred twenty-three thousand, eighty-nine".