704451668681 has 8 divisors (see below), whose sum is σ = 706575770880. Its totient is φ = 702329676048.

The previous prime is 704451668659. The next prime is 704451668699. The reversal of 704451668681 is 186866154407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 704451668681 - 2²² = 704447474377 is a prime.

It is a super-2 number, since 2×704451668681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704451668611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142760 + ... + 1195526.

It is an arithmetic number, because the mean of its divisors is an integer number (88321971360).

Almost surely, 2^704451668681 is an apocalyptic number.

It is an amenable number.

704451668681 is a deficient number, since it is larger than the sum of its proper divisors (2124102199).

704451668681 is a wasteful number, since it uses less digits than its factorization.

704451668681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054783.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 704451668681 in words is "seven hundred four billion, four hundred fifty-one million, six hundred sixty-eight thousand, six hundred eighty-one".