6993223488 has 84 divisors (see below), whose sum is σ = 20373518308. Its totient is φ = 2292848640.

The previous prime is 6993223487. The next prime is 6993223493. The reversal of 6993223488 is 8843223996.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 954068544 + 6039154944 = 30888^2 + 77712^2 .

It is a super-2 number, since 2×6993223488² = 97810349506229772288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993223487) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64381 + ... + 134652.

Almost surely, 2^6993223488 is an apocalyptic number.

It is an amenable number.

6993223488 is an abundant number, since it is smaller than the sum of its proper divisors (13380294820).

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

6993223488 is a wasteful number, since it uses less digits than its factorization.

6993223488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199112 (or 199099 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 6993223488 is about 83625.4954424785. The cubic root of 6993223488 is about 1912.3136977052.

The spelling of 6993223488 in words is "six billion, nine hundred ninety-three million, two hundred twenty-three thousand, four hundred eighty-eight".