90208302841 has 2 divisors, whose sum is σ = 90208302842. Its totient is φ = 90208302840.

The previous prime is 90208302839. The next prime is 90208302907. The reversal of 90208302841 is 14820380209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55981452816 + 34226850025 = 236604^2 + 185005^2 .

It is a cyclic number.

It is not a de Polignac number, because 90208302841 - 2¹ = 90208302839 is a prime.

Together with 90208302839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90208302841.

It is not a weakly prime, because it can be changed into another prime (90208302241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45104151420 + 45104151421.

It is an arithmetic number, because the mean of its divisors is an integer number (45104151421).

Almost surely, 2^90208302841 is an apocalyptic number.

It is an amenable number.

90208302841 is a deficient number, since it is larger than the sum of its proper divisors (1).

90208302841 is an equidigital number, since it uses as much as digits as its factorization.

90208302841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 90208302841 in words is "ninety billion, two hundred eight million, three hundred two thousand, eight hundred forty-one".