2081590047 has 24 divisors (see below), whose sum is σ = 3076663200. Its totient is φ = 1355762880.

The previous prime is 2081590009. The next prime is 2081590073. The reversal of 2081590047 is 7400951802.

2081590047 is a `hidden beast` number, since 20 + 8 + 1 + 590 + 0 + 47 = 666.

It is not a de Polignac number, because 2081590047 - 2²⁷ = 1947372319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2081589993 and 2081590020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081590447) 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, 69078 + ... + 94524.

It is an arithmetic number, because the mean of its divisors is an integer number (128194300).

Almost surely, 2^2081590047 is an apocalyptic number.

2081590047 is a deficient number, since it is larger than the sum of its proper divisors (995073153).

2081590047 is a wasteful number, since it uses less digits than its factorization.

2081590047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25663 (or 25660 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2081590047 is about 45624.4457171810. The cubic root of 2081590047 is about 1276.8260487759.

The spelling of 2081590047 in words is "two billion, eighty-one million, five hundred ninety thousand, forty-seven".