641010863 has 8 divisors (see below), whose sum is σ = 655162560. Its totient is φ = 626880640.

The previous prime is 641010859. The next prime is 641010893. The reversal of 641010863 is 368010146.

641010863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641010863 - 2² = 641010859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641010803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65003 + ... + 74211.

It is an arithmetic number, because the mean of its divisors is an integer number (81895320).

Almost surely, 2^641010863 is an apocalyptic number.

641010863 is a deficient number, since it is larger than the sum of its proper divisors (14151697).

641010863 is a wasteful number, since it uses less digits than its factorization.

641010863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 641010863 is about 25318.1923327871. The cubic root of 641010863 is about 862.2273536600.

The spelling of 641010863 in words is "six hundred forty-one million, ten thousand, eight hundred sixty-three".