2059449566 has 4 divisors (see below), whose sum is σ = 3089174352. Its totient is φ = 1029724782.

The previous prime is 2059449517. The next prime is 2059449569. The reversal of 2059449566 is 6659449502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6659449502 = 2 ⋅3329724751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2059449569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514862390 + ... + 514862393.

It is an arithmetic number, because the mean of its divisors is an integer number (772293588).

Almost surely, 2^2059449566 is an apocalyptic number.

2059449566 is a deficient number, since it is larger than the sum of its proper divisors (1029724786).

2059449566 is a wasteful number, since it uses less digits than its factorization.

2059449566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029724785.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 2059449566 is about 45381.1587115182. The cubic root of 2059449566 is about 1272.2829884561.

The spelling of 2059449566 in words is "two billion, fifty-nine million, four hundred forty-nine thousand, five hundred sixty-six".