2090245249 has 2 divisors, whose sum is σ = 2090245250. Its totient is φ = 2090245248.

The previous prime is 2090245247. The next prime is 2090245273. The reversal of 2090245249 is 9425420902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337730625 + 752514624 = 36575^2 + 27432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2090245249 - 2¹ = 2090245247 is a prime.

Together with 2090245247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2090245247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045122624 + 1045122625.

It is an arithmetic number, because the mean of its divisors is an integer number (1045122625).

Almost surely, 2^2090245249 is an apocalyptic number.

It is an amenable number.

2090245249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2090245249 is an equidigital number, since it uses as much as digits as its factorization.

2090245249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2090245249 is about 45719.2000039371. The cubic root of 2090245249 is about 1278.5932724763.

The spelling of 2090245249 in words is "two billion, ninety million, two hundred forty-five thousand, two hundred forty-nine".