2027081569 has 2 divisors, whose sum is σ = 2027081570. Its totient is φ = 2027081568.

The previous prime is 2027081477. The next prime is 2027081591. The reversal of 2027081569 is 9651807202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1854421969 + 172659600 = 43063^2 + 13140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2027081569 is a prime.

It is a super-2 number, since 2×2027081569² = 8218119374759003522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2027081669) 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, 1013540784 + 1013540785.

It is an arithmetic number, because the mean of its divisors is an integer number (1013540785).

Almost surely, 2^2027081569 is an apocalyptic number.

It is an amenable number.

2027081569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027081569 is an equidigital number, since it uses as much as digits as its factorization.

2027081569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2027081569 is about 45023.1226038355. The cubic root of 2027081569 is about 1265.5823466103.

The spelling of 2027081569 in words is "two billion, twenty-seven million, eighty-one thousand, five hundred sixty-nine".