2059726069 has 4 divisors (see below), whose sum is σ = 2180886444. Its totient is φ = 1938565696.

The previous prime is 2059726051. The next prime is 2059726093. The reversal of 2059726069 is 9606279502.

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 1385700625 + 674025444 = 37225^2 + 25962^2 .

It is a cyclic number.

It is not a de Polignac number, because 2059726069 - 2⁹ = 2059725557 is a prime.

It is a super-2 number, since 2×2059726069² = 8484942958636385522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2059796069) 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, 60580162 + ... + 60580195.

It is an arithmetic number, because the mean of its divisors is an integer number (545221611).

Almost surely, 2^2059726069 is an apocalyptic number.

It is an amenable number.

2059726069 is a deficient number, since it is larger than the sum of its proper divisors (121160375).

2059726069 is a wasteful number, since it uses less digits than its factorization.

2059726069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121160374.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 2059726069 is about 45384.2050607918. The cubic root of 2059726069 is about 1272.3399250807.

The spelling of 2059726069 in words is "two billion, fifty-nine million, seven hundred twenty-six thousand, sixty-nine".