2820161593 has 2 divisors, whose sum is σ = 2820161594. Its totient is φ = 2820161592.

The previous prime is 2820161567. The next prime is 2820161599. The reversal of 2820161593 is 3951610282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2803490704 + 16670889 = 52948^2 + 4083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2820161593 is a prime.

It is a super-2 number, since 2×2820161593² = 15906622821264595298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2820161599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410080796 + 1410080797.

It is an arithmetic number, because the mean of its divisors is an integer number (1410080797).

Almost surely, 2^2820161593 is an apocalyptic number.

It is an amenable number.

2820161593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820161593 is an equidigital number, since it uses as much as digits as its factorization.

2820161593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2820161593 is about 53105.1936537284. The cubic root of 2820161593 is about 1412.8346296537.

The spelling of 2820161593 in words is "two billion, eight hundred twenty million, one hundred sixty-one thousand, five hundred ninety-three".