704241588681 has 20 divisors (see below), whose sum is σ = 1054297297284. Its totient is φ = 468475941600.

The previous prime is 704241588647. The next prime is 704241588689. The reversal of 704241588681 is 186885142407.

704241588681 is a `hidden beast` number, since 7 + 0 + 424 + 158 + 8 + 68 + 1 = 666.

704241588681 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 87270613056 + 616970975625 = 295416^2 + 785475^2 .

It is not a de Polignac number, because 704241588681 - 2³⁷ = 566802635209 is a prime.

It is a super-2 number, since 2×704241588681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (704241588689) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9392530 + ... + 9467211.

Almost surely, 2^704241588681 is an apocalyptic number.

It is an amenable number.

704241588681 is a deficient number, since it is larger than the sum of its proper divisors (350055708603).

704241588681 is a wasteful number, since it uses less digits than its factorization.

704241588681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860214 (or 18860205 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 704241588681 in words is "seven hundred four billion, two hundred forty-one million, five hundred eighty-eight thousand, six hundred eighty-one".