6597844398 has 24 divisors (see below), whose sum is σ = 15136231968. Its totient is φ = 2069911872.

The previous prime is 6597844333. The next prime is 6597844471. The reversal of 6597844398 is 8934487956.

6597844398 is a `hidden beast` number, since 6 + 597 + 8 + 4 + 4 + 39 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10780486 + ... + 10781097.

It is an arithmetic number, because the mean of its divisors is an integer number (630676332).

Almost surely, 2^6597844398 is an apocalyptic number.

6597844398 is an abundant number, since it is smaller than the sum of its proper divisors (8538387570).

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

6597844398 is a wasteful number, since it uses less digits than its factorization.

6597844398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561608 (or 21561605 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 6597844398 is about 81227.1161497194. The cubic root of 6597844398 is about 1875.5732195125.

The spelling of 6597844398 in words is "six billion, five hundred ninety-seven million, eight hundred forty-four thousand, three hundred ninety-eight".