8520960433 has 2 divisors, whose sum is σ = 8520960434. Its totient is φ = 8520960432.

The previous prime is 8520960403. The next prime is 8520960451. The reversal of 8520960433 is 3340690258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8153548209 + 367412224 = 90297^2 + 19168^2 .

It is a cyclic number.

It is not a de Polignac number, because 8520960433 - 2⁵ = 8520960401 is a prime.

It is not a weakly prime, because it can be changed into another prime (8520960403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260480216 + 4260480217.

It is an arithmetic number, because the mean of its divisors is an integer number (4260480217).

Almost surely, 2^8520960433 is an apocalyptic number.

It is an amenable number.

8520960433 is a deficient number, since it is larger than the sum of its proper divisors (1).

8520960433 is an equidigital number, since it uses as much as digits as its factorization.

8520960433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 8520960433 is about 92309.0484893003. The cubic root of 8520960433 is about 2042.5036888332.

The spelling of 8520960433 in words is "eight billion, five hundred twenty million, nine hundred sixty thousand, four hundred thirty-three".