2820090193 has 4 divisors (see below), whose sum is σ = 2880092160. Its totient is φ = 2760088228.

The previous prime is 2820090157. The next prime is 2820090211. The reversal of 2820090193 is 3910900282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2820090193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2820090893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30000913 + ... + 30001006.

It is an arithmetic number, because the mean of its divisors is an integer number (720023040).

Almost surely, 2^2820090193 is an apocalyptic number.

It is an amenable number.

2820090193 is a deficient number, since it is larger than the sum of its proper divisors (60001967).

2820090193 is an equidigital number, since it uses as much as digits as its factorization.

2820090193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60001966.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2820090193 is about 53104.5213988414. The cubic root of 2820090193 is about 1412.8227063128.

The spelling of 2820090193 in words is "two billion, eight hundred twenty million, ninety thousand, one hundred ninety-three".