3628646705 has 16 divisors (see below), whose sum is σ = 4410020160. Its totient is φ = 2865872448.

The previous prime is 3628646603. The next prime is 3628646729. The reversal of 3628646705 is 5076468263.

It is a cyclic number.

It is not a de Polignac number, because 3628646705 - 2⁸ = 3628646449 is a prime.

It is a super-3 number, since 3×3628646705³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3628646705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849866 + ... + 854124.

It is an arithmetic number, because the mean of its divisors is an integer number (275626260).

Almost surely, 2^3628646705 is an apocalyptic number.

It is an amenable number.

3628646705 is a deficient number, since it is larger than the sum of its proper divisors (781373455).

3628646705 is a wasteful number, since it uses less digits than its factorization.

3628646705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The square root of 3628646705 is about 60238.2495180595. The cubic root of 3628646705 is about 1536.6733589696.

The spelling of 3628646705 in words is "three billion, six hundred twenty-eight million, six hundred forty-six thousand, seven hundred five".