3694631249 has 2 divisors, whose sum is σ = 3694631250. Its totient is φ = 3694631248.

The previous prime is 3694631209. The next prime is 3694631257. The reversal of 3694631249 is 9421364963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3680606224 + 14025025 = 60668^2 + 3745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3694631249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3694631209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847315624 + 1847315625.

It is an arithmetic number, because the mean of its divisors is an integer number (1847315625).

Almost surely, 2^3694631249 is an apocalyptic number.

It is an amenable number.

3694631249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3694631249 is an equidigital number, since it uses as much as digits as its factorization.

3694631249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 47.

The square root of 3694631249 is about 60783.4784213605. The cubic root of 3694631249 is about 1545.9319268058.

The spelling of 3694631249 in words is "three billion, six hundred ninety-four million, six hundred thirty-one thousand, two hundred forty-nine".