8194250249 has 2 divisors, whose sum is σ = 8194250250. Its totient is φ = 8194250248.

The previous prime is 8194250221. The next prime is 8194250261. The reversal of 8194250249 is 9420524918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7327360000 + 866890249 = 85600^2 + 29443^2 .

It is a cyclic number.

It is not a de Polignac number, because 8194250249 - 2³² = 3899282953 is a prime.

It is not a weakly prime, because it can be changed into another prime (8194250149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097125124 + 4097125125.

It is an arithmetic number, because the mean of its divisors is an integer number (4097125125).

Almost surely, 2^8194250249 is an apocalyptic number.

It is an amenable number.

8194250249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8194250249 is an equidigital number, since it uses as much as digits as its factorization.

8194250249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 8194250249 is about 90522.0981252644. The cubic root of 8194250249 is about 2016.0582421058.

The spelling of 8194250249 in words is "eight billion, one hundred ninety-four million, two hundred fifty thousand, two hundred forty-nine".