2064566894 has 16 divisors (see below), whose sum is σ = 3480073632. Its totient is φ = 911447328.

The previous prime is 2064566891. The next prime is 2064566939. The reversal of 2064566894 is 4986654602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064566891) 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, 1725629 + ... + 1726824.

It is an arithmetic number, because the mean of its divisors is an integer number (217504602).

Almost surely, 2^2064566894 is an apocalyptic number.

2064566894 is a deficient number, since it is larger than the sum of its proper divisors (1415506738).

2064566894 is a wasteful number, since it uses less digits than its factorization.

2064566894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452491.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The square root of 2064566894 is about 45437.5053672624. The cubic root of 2064566894 is about 1273.3359080169.

The spelling of 2064566894 in words is "two billion, sixty-four million, five hundred sixty-six thousand, eight hundred ninety-four".