8528445749 has 2 divisors, whose sum is σ = 8528445750. Its totient is φ = 8528445748.

The previous prime is 8528445733. The next prime is 8528445781. The reversal of 8528445749 is 9475448258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6780369649 + 1748076100 = 82343^2 + 41810^2 .

It is a cyclic number.

It is not a de Polignac number, because 8528445749 - 2⁴ = 8528445733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8528445694 and 8528445703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8528445049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264222874 + 4264222875.

It is an arithmetic number, because the mean of its divisors is an integer number (4264222875).

Almost surely, 2^8528445749 is an apocalyptic number.

It is an amenable number.

8528445749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8528445749 is an equidigital number, since it uses as much as digits as its factorization.

8528445749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12902400, while the sum is 56.

The square root of 8528445749 is about 92349.5844549395. The cubic root of 8528445749 is about 2043.1015991661.

The spelling of 8528445749 in words is "eight billion, five hundred twenty-eight million, four hundred forty-five thousand, seven hundred forty-nine".