6598638974 has 16 divisors (see below), whose sum is σ = 10146351600. Its totient is φ = 3216632640.

The previous prime is 6598638973. The next prime is 6598639009. The reversal of 6598638974 is 4798368956.

It is a super-3 number, since 3×6598638974³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6598638974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6598638973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95477 + ... + 149375.

It is an arithmetic number, because the mean of its divisors is an integer number (634146975).

Almost surely, 2^6598638974 is an apocalyptic number.

6598638974 is a deficient number, since it is larger than the sum of its proper divisors (3547712626).

6598638974 is a wasteful number, since it uses less digits than its factorization.

6598638974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55435.

The product of its digits is 78382080, while the sum is 65.

The square root of 6598638974 is about 81232.0070784909. The cubic root of 6598638974 is about 1875.6485080237.

The spelling of 6598638974 in words is "six billion, five hundred ninety-eight million, six hundred thirty-eight thousand, nine hundred seventy-four".