6999812384 has 48 divisors (see below), whose sum is σ = 13854032640. Its totient is φ = 3481390080.

The previous prime is 6999812383. The next prime is 6999812411. The reversal of 6999812384 is 4832189996.

It is a super-2 number, since 2×6999812384² = 97994746822399526912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6999812383) 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, 6936872 + ... + 6937880.

It is an arithmetic number, because the mean of its divisors is an integer number (288625680).

Almost surely, 2^6999812384 is an apocalyptic number.

It is an amenable number.

6999812384 is a deficient number, since it is larger than the sum of its proper divisors (6854220256).

6999812384 is a wasteful number, since it uses less digits than its factorization.

6999812384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1945 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The square root of 6999812384 is about 83664.8814258408. The cubic root of 6999812384 is about 1912.9140923103.

The spelling of 6999812384 in words is "six billion, nine hundred ninety-nine million, eight hundred twelve thousand, three hundred eighty-four".