5641706865 has 16 divisors (see below), whose sum is σ = 9030633408. Its totient is φ = 3007609536.

The previous prime is 5641706821. The next prime is 5641706933. The reversal of 5641706865 is 5686071465.

It is not a de Polignac number, because 5641706865 - 2⁷ = 5641706737 is a prime.

It is a Curzon number.

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, 44922 + ... + 115331.

It is an arithmetic number, because the mean of its divisors is an integer number (564414588).

Almost surely, 2^5641706865 is an apocalyptic number.

It is an amenable number.

5641706865 is a deficient number, since it is larger than the sum of its proper divisors (3388926543).

5641706865 is a wasteful number, since it uses less digits than its factorization.

5641706865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162608.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 5641706865 is about 75111.2965205634. The cubic root of 5641706865 is about 1780.2056389320.

The spelling of 5641706865 in words is "five billion, six hundred forty-one million, seven hundred six thousand, eight hundred sixty-five".