7841633249 has 2 divisors, whose sum is σ = 7841633250. Its totient is φ = 7841633248.

The previous prime is 7841633243. The next prime is 7841633287. The reversal of 7841633249 is 9423361487.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4217593249 + 3624040000 = 64943^2 + 60200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7841633249 is a prime.

It is a super-2 number, since 2×7841633249² (a number of 21 digits) contains 22 as substring.

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 (7841633243) 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, 3920816624 + 3920816625.

It is an arithmetic number, because the mean of its divisors is an integer number (3920816625).

Almost surely, 2^7841633249 is an apocalyptic number.

It is an amenable number.

7841633249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7841633249 is an equidigital number, since it uses as much as digits as its factorization.

7841633249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 7841633249 is about 88552.9968380517. The cubic root of 7841633249 is about 1986.7147167778.

The spelling of 7841633249 in words is "seven billion, eight hundred forty-one million, six hundred thirty-three thousand, two hundred forty-nine".