2090394484069 has 2 divisors, whose sum is σ = 2090394484070. Its totient is φ = 2090394484068.

The previous prime is 2090394484067. The next prime is 2090394484111. The reversal of 2090394484069 is 9604844930902.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1806502659844 + 283891824225 = 1344062^2 + 532815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090394484069 - 2¹ = 2090394484067 is a prime.

It is a super-2 number, since 2×2090394484069² (a number of 25 digits) contains 22 as substring.

Together with 2090394484067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2090394484063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045197242034 + 1045197242035.

It is an arithmetic number, because the mean of its divisors is an integer number (1045197242035).

Almost surely, 2^{2090394484069} is an apocalyptic number.

It is an amenable number.

2090394484069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090394484069 is an equidigital number, since it uses as much as digits as its factorization.

2090394484069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 2090394484069 in words is "two trillion, ninety billion, three hundred ninety-four million, four hundred eighty-four thousand, sixty-nine".