18449230895 has 8 divisors (see below), whose sum is σ = 22150197456. Its totient is φ = 14751971136.

The previous prime is 18449230889. The next prime is 18449230901. The reversal of 18449230895 is 59803294481.

It is an interprime number because it is at equal distance from previous prime (18449230889) and next prime (18449230901).

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 18449230895 - 2¹² = 18449226799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915737 + ... + 935666.

It is an arithmetic number, because the mean of its divisors is an integer number (2768774682).

Almost surely, 2^18449230895 is an apocalyptic number.

18449230895 is a deficient number, since it is larger than the sum of its proper divisors (3700966561).

18449230895 is a wasteful number, since it uses less digits than its factorization.

18449230895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853401.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 18449230895 in words is "eighteen billion, four hundred forty-nine million, two hundred thirty thousand, eight hundred ninety-five".