6723989512 has 16 divisors (see below), whose sum is σ = 12624459840. Its totient is φ = 3357466896.

The previous prime is 6723989479. The next prime is 6723989527. The reversal of 6723989512 is 2159893276.

It is a self number, because there is not a number n which added to its sum of digits gives 6723989512.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 559668 + ... + 571555.

It is an arithmetic number, because the mean of its divisors is an integer number (789028740).

Almost surely, 2^6723989512 is an apocalyptic number.

It is an amenable number.

6723989512 is a deficient number, since it is larger than the sum of its proper divisors (5900470328).

6723989512 is a wasteful number, since it uses less digits than its factorization.

6723989512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131972 (or 1131968 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 6723989512 is about 81999.9360487556. The cubic root of 6723989512 is about 1887.4509566778.

The spelling of 6723989512 in words is "six billion, seven hundred twenty-three million, nine hundred eighty-nine thousand, five hundred twelve".