6523855249 has 2 divisors, whose sum is σ = 6523855250. Its totient is φ = 6523855248.

The previous prime is 6523855241. The next prime is 6523855291. The reversal of 6523855249 is 9425583256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3708810000 + 2815045249 = 60900^2 + 53057^2 .

It is a cyclic number.

It is not a de Polignac number, because 6523855249 - 2³ = 6523855241 is a prime.

It is not a weakly prime, because it can be changed into another prime (6523855241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261927624 + 3261927625.

It is an arithmetic number, because the mean of its divisors is an integer number (3261927625).

Almost surely, 2^6523855249 is an apocalyptic number.

It is an amenable number.

6523855249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6523855249 is an equidigital number, since it uses as much as digits as its factorization.

6523855249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 49.

The square root of 6523855249 is about 80770.3859654019. The cubic root of 6523855249 is about 1868.5358675849.

The spelling of 6523855249 in words is "six billion, five hundred twenty-three million, eight hundred fifty-five thousand, two hundred forty-nine".