643001114 has 16 divisors (see below), whose sum is σ = 1129173696. Its totient is φ = 268850400.

The previous prime is 643001089. The next prime is 643001123. The reversal of 643001114 is 411100346.

643001114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559532 + ... + 560679.

It is an arithmetic number, because the mean of its divisors is an integer number (70573356).

Almost surely, 2^643001114 is an apocalyptic number.

643001114 is a deficient number, since it is larger than the sum of its proper divisors (486172582).

643001114 is a wasteful number, since it uses less digits than its factorization.

643001114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120261.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 643001114 is about 25357.4666321382. The cubic root of 643001114 is about 863.1187976675.

The spelling of 643001114 in words is "six hundred forty-three million, one thousand, one hundred fourteen".