6993378444 has 96 divisors (see below), whose sum is σ = 18125578240. Its totient is φ = 2084963328.

The previous prime is 6993378419. The next prime is 6993378481. The reversal of 6993378444 is 4448733996.

It is a super-2 number, since 2×6993378444² = 97814684122007722272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847812 + ... + 856020.

Almost surely, 2^6993378444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6993378444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9062789120).

6993378444 is an abundant number, since it is smaller than the sum of its proper divisors (11132199796).

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

6993378444 is a wasteful number, since it uses less digits than its factorization.

6993378444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399 (or 8397 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The square root of 6993378444 is about 83626.4219251308. The cubic root of 6993378444 is about 1912.3278219639.

The spelling of 6993378444 in words is "six billion, nine hundred ninety-three million, three hundred seventy-eight thousand, four hundred forty-four".