696784189696 has 243 divisors, whose sum is σ = 1682183194419. Its totient is φ = 287202607104.

The previous prime is 696784189681. The next prime is 696784189789. The reversal of 696784189696 is 696981487696.

The square root of 696784189696 is 834736.

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 278868486400 + 417915703296 = 528080^2 + 646464^2 .

It is a super-2 number, since 2×696784189696² (a number of 24 digits) contains 22 as substring.

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 26 ways as a sum of consecutive naturals, for example, 2711222400 + ... + 2711222656.

Almost surely, 2^696784189696 is an apocalyptic number.

696784189696 is the 834736-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696784189696

696784189696 is an abundant number, since it is smaller than the sum of its proper divisors (985399004723).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696784189696 is an frugal number, since it uses more digits than its factorization.

696784189696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 295 counting only the distinct ones).

The product of its digits is 1693052928, while the sum is 79.

The spelling of 696784189696 in words is "six hundred ninety-six billion, seven hundred eighty-four million, one hundred eighty-nine thousand, six hundred ninety-six".