2250990449 has 2 divisors, whose sum is σ = 2250990450. Its totient is φ = 2250990448.

The previous prime is 2250990409. The next prime is 2250990457. The reversal of 2250990449 is 9440990522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2243727424 + 7263025 = 47368^2 + 2695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250990449 - 2⁸ = 2250990193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2250990409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125495224 + 1125495225.

It is an arithmetic number, because the mean of its divisors is an integer number (1125495225).

Almost surely, 2^2250990449 is an apocalyptic number.

It is an amenable number.

2250990449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250990449 is an equidigital number, since it uses as much as digits as its factorization.

2250990449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2250990449 is about 47444.6040029844. The cubic root of 2250990449 is about 1310.5629437644.

The spelling of 2250990449 in words is "two billion, two hundred fifty million, nine hundred ninety thousand, four hundred forty-nine".