6993254644 has 24 divisors (see below), whose sum is σ = 12503030400. Its totient is φ = 3421013376.

The previous prime is 6993254641. The next prime is 6993254687. The reversal of 6993254644 is 4464523996.

It is a happy number.

It is a super-2 number, since 2×6993254644² = 97811221031655133472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6993254591 and 6993254600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993254641) 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, 756619 + ... + 765805.

It is an arithmetic number, because the mean of its divisors is an integer number (520959600).

Almost surely, 2^6993254644 is an apocalyptic number.

It is an amenable number.

6993254644 is a deficient number, since it is larger than the sum of its proper divisors (5509775756).

6993254644 is a wasteful number, since it uses less digits than its factorization.

6993254644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13287 (or 13285 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 52.

The square root of 6993254644 is about 83625.6817251734. The cubic root of 6993254644 is about 1912.3165375952.

The spelling of 6993254644 in words is "six billion, nine hundred ninety-three million, two hundred fifty-four thousand, six hundred forty-four".