986869934563 has 2 divisors, whose sum is σ = 986869934564. Its totient is φ = 986869934562.

The previous prime is 986869934543. The next prime is 986869934569. The reversal of 986869934563 is 365439968689.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986869934563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 986869934563.

It is not a weakly prime, because it can be changed into another prime (986869934569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493434967281 + 493434967282.

It is an arithmetic number, because the mean of its divisors is an integer number (493434967282).

Almost surely, 2^986869934563 is an apocalyptic number.

986869934563 is a deficient number, since it is larger than the sum of its proper divisors (1).

986869934563 is an equidigital number, since it uses as much as digits as its factorization.

986869934563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1813985280, while the sum is 76.

The spelling of 986869934563 in words is "nine hundred eighty-six billion, eight hundred sixty-nine million, nine hundred thirty-four thousand, five hundred sixty-three".