969890563 has 2 divisors, whose sum is σ = 969890564. Its totient is φ = 969890562.

The previous prime is 969890531. The next prime is 969890569. The reversal of 969890563 is 365098969.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 969890563 - 2⁵ = 969890531 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (969890569) 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, 484945281 + 484945282.

It is an arithmetic number, because the mean of its divisors is an integer number (484945282).

Almost surely, 2^969890563 is an apocalyptic number.

969890563 is a deficient number, since it is larger than the sum of its proper divisors (1).

969890563 is an equidigital number, since it uses as much as digits as its factorization.

969890563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 969890563 is about 31143.0660500857. The cubic root of 969890563 is about 989.8610705294.

The spelling of 969890563 in words is "nine hundred sixty-nine million, eight hundred ninety thousand, five hundred sixty-three".