2866064643 has 24 divisors (see below), whose sum is σ = 4463510688. Its totient is φ = 1761679872.

The previous prime is 2866064627. The next prime is 2866064717. The reversal of 2866064643 is 3464606682.

It is not a de Polignac number, because 2866064643 - 2⁴ = 2866064627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2866064143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89971 + ... + 117587.

It is an arithmetic number, because the mean of its divisors is an integer number (185979612).

Almost surely, 2^2866064643 is an apocalyptic number.

2866064643 is a deficient number, since it is larger than the sum of its proper divisors (1597446045).

2866064643 is a wasteful number, since it uses less digits than its factorization.

2866064643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28523 (or 28520 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The square root of 2866064643 is about 53535.6389987081. The cubic root of 2866064643 is about 1420.4588616583.

The spelling of 2866064643 in words is "two billion, eight hundred sixty-six million, sixty-four thousand, six hundred forty-three".