681473333468 has 12 divisors (see below), whose sum is σ = 1204156764720. Its totient is φ = 337428543552.

The previous prime is 681473333459. The next prime is 681473333501. The reversal of 681473333468 is 864333374186.

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, 827030333 + ... + 827031156.

It is an arithmetic number, because the mean of its divisors is an integer number (100346397060).

Almost surely, 2^681473333468 is an apocalyptic number.

It is an amenable number.

681473333468 is a deficient number, since it is larger than the sum of its proper divisors (522683431252).

681473333468 is a wasteful number, since it uses less digits than its factorization.

681473333468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654061596 (or 1654061594 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 56.

The spelling of 681473333468 in words is "six hundred eighty-one billion, four hundred seventy-three million, three hundred thirty-three thousand, four hundred sixty-eight".