694362224656 has 45 divisors (see below), whose sum is σ = 1379211417559. Its totient is φ = 338646617600.

The previous prime is 694362224639. The next prime is 694362224669. The reversal of 694362224656 is 656422263496.

The square root of 694362224656 is 833284.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 472634250256 + 221727974400 = 687484^2 + 470880^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694362224597 and 694362224606.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 136656036 + ... + 136661116.

Almost surely, 2^694362224656 is an apocalyptic number.

694362224656 is the 833284-th square number.

It is an amenable number.

694362224656 is a deficient number, since it is larger than the sum of its proper divisors (684849192903).

694362224656 is an frugal number, since it uses more digits than its factorization.

694362224656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10252 (or 5124 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 55.

The spelling of 694362224656 in words is "six hundred ninety-four billion, three hundred sixty-two million, two hundred twenty-four thousand, six hundred fifty-six".