2059643466 has 72 divisors (see below), whose sum is σ = 4759267500. Its totient is φ = 643608576.

The previous prime is 2059643459. The next prime is 2059643479. The reversal of 2059643466 is 6643469502.

2059643466 is a `hidden beast` number, since 20 + 596 + 4 + 34 + 6 + 6 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 981506241 + 1078137225 = 31329^2 + 32835^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1648410 + ... + 1649658.

Almost surely, 2^2059643466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2059643466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379633750).

2059643466 is an abundant number, since it is smaller than the sum of its proper divisors (2699624034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2059643466 is a wasteful number, since it uses less digits than its factorization.

2059643466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 2059643466 is about 45383.2950103890. The cubic root of 2059643466 is about 1272.3229162656.

The spelling of 2059643466 in words is "two billion, fifty-nine million, six hundred forty-three thousand, four hundred sixty-six".