18298895819 has 8 divisors (see below), whose sum is σ = 18522859680. Its totient is φ = 18075340096.

The previous prime is 18298895809. The next prime is 18298895821. The reversal of 18298895819 is 91859889281.

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 18298895819 - 2²⁸ = 18030460363 is a prime.

It is a super-2 number, since 2×18298895819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18298895809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11327 + ... + 191640.

It is an arithmetic number, because the mean of its divisors is an integer number (2315357460).

Almost surely, 2^18298895819 is an apocalyptic number.

18298895819 is a deficient number, since it is larger than the sum of its proper divisors (223963861).

18298895819 is a wasteful number, since it uses less digits than its factorization.

18298895819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204069.

The product of its digits is 29859840, while the sum is 68.

The spelling of 18298895819 in words is "eighteen billion, two hundred ninety-eight million, eight hundred ninety-five thousand, eight hundred nineteen".