6195578984464 has 135 divisors (see below), whose sum is σ = 12508434319773. Its totient is φ = 2972812182912.

The previous prime is 6195578984453. The next prime is 6195578984477. The reversal of 6195578984464 is 4644898755916.

The square root of 6195578984464 is 2489092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4466375024400 + 1729203960064 = 2113380^2 + 1314992^2 .

It is a Duffinian number.

Its product of digits (2090188800) is a multiple of the sum of its prime factors (630).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31133562637 + ... + 31133562835.

Almost surely, 2^{6195578984464} is an apocalyptic number.

6195578984464 is the 2489092-nd square number.

It is an amenable number.

6195578984464 is an abundant number, since it is smaller than the sum of its proper divisors (6312855335309).

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

6195578984464 is an frugal number, since it uses more digits than its factorization.

6195578984464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 313 counting only the distinct ones).

The product of its digits is 2090188800, while the sum is 76.

The spelling of 6195578984464 in words is "six trillion, one hundred ninety-five billion, five hundred seventy-eight million, nine hundred eighty-four thousand, four hundred sixty-four".