2090069 has 2 divisors, whose sum is σ = 2090070. Its totient is φ = 2090068.

The previous prime is 2090047. The next prime is 2090071. The reversal of 2090069 is 9600902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1787569 + 302500 = 1337^2 + 550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2090069 is a prime.

It is a super-2 number, since 2×2090069² = 8736776849522, which contains 22 as substring.

Together with 2090071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090009) 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 as a sum of consecutive naturals, namely, 1045034 + 1045035.

It is an arithmetic number, because the mean of its divisors is an integer number (1045035).

2^2090069 is an apocalyptic number.

It is an amenable number.

2090069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090069 is an equidigital number, since it uses as much as digits as its factorization.

2090069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2090069 is about 1445.7070934321. The cubic root of 2090069 is about 127.8557334569.

The spelling of 2090069 in words is "two million, ninety thousand, sixty-nine".