2029555085 has 4 divisors (see below), whose sum is σ = 2435466108. Its totient is φ = 1623644064.

The previous prime is 2029555079. The next prime is 2029555103. The reversal of 2029555085 is 5805559202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5805559202 = 2 ⋅2902779601.

It can be written as a sum of positive squares in 2 ways, for example, as 1050991561 + 978563524 = 32419^2 + 31282^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029555085 - 2⁸ = 2029554829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 202955504 + ... + 202955513.

It is an arithmetic number, because the mean of its divisors is an integer number (608866527).

Almost surely, 2^2029555085 is an apocalyptic number.

It is an amenable number.

2029555085 is a deficient number, since it is larger than the sum of its proper divisors (405911023).

2029555085 is an equidigital number, since it uses as much as digits as its factorization.

2029555085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405911022.

The product of its (nonzero) digits is 180000, while the sum is 41.

The square root of 2029555085 is about 45050.5836255203. The cubic root of 2029555085 is about 1266.0969066892.

The spelling of 2029555085 in words is "two billion, twenty-nine million, five hundred fifty-five thousand, eighty-five".