18834398495 has 32 divisors (see below), whose sum is σ = 24974982720. Its totient is φ = 13521024000.

The previous prime is 18834398467. The next prime is 18834398519. The reversal of 18834398495 is 59489343881.

It is not a de Polignac number, because 18834398495 - 2⁶ = 18834398431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3232685 + ... + 3238505.

It is an arithmetic number, because the mean of its divisors is an integer number (780468210).

Almost surely, 2^18834398495 is an apocalyptic number.

18834398495 is a deficient number, since it is larger than the sum of its proper divisors (6140584225).

18834398495 is a wasteful number, since it uses less digits than its factorization.

18834398495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587.

The product of its digits is 29859840, while the sum is 62.

The spelling of 18834398495 in words is "eighteen billion, eight hundred thirty-four million, three hundred ninety-eight thousand, four hundred ninety-five".