641010705 has 16 divisors (see below), whose sum is σ = 1026250560. Its totient is φ = 341661248.

The previous prime is 641010683. The next prime is 641010709. The reversal of 641010705 is 507010146.

It is a cyclic number.

It is not a de Polignac number, because 641010705 - 2¹⁸ = 640748561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641010709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13666 + ... + 38324.

It is an arithmetic number, because the mean of its divisors is an integer number (64140660).

Almost surely, 2^641010705 is an apocalyptic number.

It is an amenable number.

641010705 is a deficient number, since it is larger than the sum of its proper divisors (385239855).

641010705 is a wasteful number, since it uses less digits than its factorization.

641010705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26400.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 641010705 is about 25318.1892125010. The cubic root of 641010705 is about 862.2272828177.

The spelling of 641010705 in words is "six hundred forty-one million, ten thousand, seven hundred five".