916344563 has 2 divisors, whose sum is σ = 916344564. Its totient is φ = 916344562.

The previous prime is 916344511. The next prime is 916344589. The reversal of 916344563 is 365443619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 916344563 - 2⁸ = 916344307 is a prime.

It is a super-3 number, since 3×916344563³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 916344563.

It is not a weakly prime, because it can be changed into another prime (916344503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458172281 + 458172282.

It is an arithmetic number, because the mean of its divisors is an integer number (458172282).

Almost surely, 2^916344563 is an apocalyptic number.

916344563 is a deficient number, since it is larger than the sum of its proper divisors (1).

916344563 is an equidigital number, since it uses as much as digits as its factorization.

916344563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 916344563 is about 30271.1837066211. The cubic root of 916344563 is about 971.2989869875.

The spelling of 916344563 in words is "nine hundred sixteen million, three hundred forty-four thousand, five hundred sixty-three".