17912992993 has 8 divisors (see below), whose sum is σ = 20472951488. Its totient is φ = 15353274384.

The previous prime is 17912992987. The next prime is 17912993051. The reversal of 17912992993 is 39929921971.

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

It is not a de Polignac number, because 17912992993 - 2⁹ = 17912992481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17912992913) 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, 148255 + ... + 240427.

It is an arithmetic number, because the mean of its divisors is an integer number (2559118936).

Almost surely, 2^17912992993 is an apocalyptic number.

It is an amenable number.

17912992993 is a deficient number, since it is larger than the sum of its proper divisors (2559958495).

17912992993 is an equidigital number, since it uses as much as digits as its factorization.

17912992993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119943.

The product of its digits is 4960116, while the sum is 61.

The spelling of 17912992993 in words is "seventeen billion, nine hundred twelve million, nine hundred ninety-two thousand, nine hundred ninety-three".