2059784161 has 4 divisors (see below), whose sum is σ = 2061072324. Its totient is φ = 2058496000.

The previous prime is 2059784099. The next prime is 2059784173. The reversal of 2059784161 is 1614879502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1931075136 + 128709025 = 43944^2 + 11345^2 .

It is a cyclic number.

It is not a de Polignac number, because 2059784161 - 2²⁵ = 2026229729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2059781161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641680 + ... + 644881.

It is an arithmetic number, because the mean of its divisors is an integer number (515268081).

Almost surely, 2^2059784161 is an apocalyptic number.

It is an amenable number.

2059784161 is a deficient number, since it is larger than the sum of its proper divisors (1288163).

2059784161 is a wasteful number, since it uses less digits than its factorization.

2059784161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288162.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2059784161 is about 45384.8450586757. The cubic root of 2059784161 is about 1272.3518865542.

The spelling of 2059784161 in words is "two billion, fifty-nine million, seven hundred eighty-four thousand, one hundred sixty-one".