6598423494 has 72 divisors (see below), whose sum is σ = 16154171280. Its totient is φ = 1941990336.

The previous prime is 6598423459. The next prime is 6598423523. The reversal of 6598423494 is 4943248956.

6598423494 is a `hidden beast` number, since 6 + 59 + 84 + 23 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6598423494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22812 + ... + 117120.

It is an arithmetic number, because the mean of its divisors is an integer number (224363490).

Almost surely, 2^6598423494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6598423494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8077085640).

6598423494 is an abundant number, since it is smaller than the sum of its proper divisors (9555747786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6598423494 is a wasteful number, since it uses less digits than its factorization.

6598423494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94366 (or 94350 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 6598423494 is about 81230.6807431773. The cubic root of 6598423494 is about 1875.6280912306.

The spelling of 6598423494 in words is "six billion, five hundred ninety-eight million, four hundred twenty-three thousand, four hundred ninety-four".