18839842597 has 8 divisors (see below), whose sum is σ = 19832702400. Its totient is φ = 17847111744.

The previous prime is 18839842589. The next prime is 18839842603. The reversal of 18839842597 is 79524893881.

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

It is a cyclic number.

It is not a de Polignac number, because 18839842597 - 2³ = 18839842589 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 (18839842517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462429 + ... + 501517.

It is an arithmetic number, because the mean of its divisors is an integer number (2479087800).

Almost surely, 2^18839842597 is an apocalyptic number.

It is an amenable number.

18839842597 is a deficient number, since it is larger than the sum of its proper divisors (992859803).

18839842597 is a wasteful number, since it uses less digits than its factorization.

18839842597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64475.

The product of its digits is 34836480, while the sum is 64.

The spelling of 18839842597 in words is "eighteen billion, eight hundred thirty-nine million, eight hundred forty-two thousand, five hundred ninety-seven".