673693956688 has 20 divisors (see below), whose sum is σ = 1305846925408. Its totient is φ = 336701201760.

The previous prime is 673693956623. The next prime is 673693956757. The reversal of 673693956688 is 886659396376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9072906 + ... + 9146857.

Almost surely, 2^673693956688 is an apocalyptic number.

It is an amenable number.

673693956688 is a deficient number, since it is larger than the sum of its proper divisors (632152968720).

673693956688 is a wasteful number, since it uses less digits than its factorization.

673693956688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18222082 (or 18222076 counting only the distinct ones).

The product of its digits is 2116316160, while the sum is 76.

The spelling of 673693956688 in words is "six hundred seventy-three billion, six hundred ninety-three million, nine hundred fifty-six thousand, six hundred eighty-eight".