699780330784 has 12 divisors (see below), whose sum is σ = 1377692526294. Its totient is φ = 349890165376.

The previous prime is 699780330719. The next prime is 699780330803. The reversal of 699780330784 is 487033087996.

It can be written as a sum of positive squares in only one way, i.e., 394921751184 + 304858579600 = 628428^2 + 552140^2 .

It is a super-2 number, since 2×699780330784² (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 as a sum of consecutive naturals, namely, 10934067637 + ... + 10934067700.

Almost surely, 2^699780330784 is an apocalyptic number.

It is an amenable number.

699780330784 is a deficient number, since it is larger than the sum of its proper divisors (677912195510).

699780330784 is a wasteful number, since it uses less digits than its factorization.

699780330784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868135347 (or 21868135339 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 699780330784 in words is "six hundred ninety-nine billion, seven hundred eighty million, three hundred thirty thousand, seven hundred eighty-four".