6479193900 has 72 divisors (see below), whose sum is σ = 18806633104. Its totient is φ = 1722240000.

The previous prime is 6479193893. The next prime is 6479193911. The reversal of 6479193900 is 93919746.

It is a self number, because there is not a number n which added to its sum of digits gives 6479193900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59400 + ... + 128400.

Almost surely, 2^6479193900 is an apocalyptic number.

6479193900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6479193900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9403316552).

6479193900 is an abundant number, since it is smaller than the sum of its proper divisors (12327439204).

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

6479193900 is a wasteful number, since it uses less digits than its factorization.

6479193900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69331 (or 69324 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 6479193900 is about 80493.4401053900. The cubic root of 6479193900 is about 1864.2621935726.

The spelling of 6479193900 in words is "six billion, four hundred seventy-nine million, one hundred ninety-three thousand, nine hundred".