6536516443 has 2 divisors, whose sum is σ = 6536516444. Its totient is φ = 6536516442.

The previous prime is 6536516383. The next prime is 6536516521. The reversal of 6536516443 is 3446156356.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6536516443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6536516443.

It is not a weakly prime, because it can be changed into another prime (6536516843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268258221 + 3268258222.

It is an arithmetic number, because the mean of its divisors is an integer number (3268258222).

Almost surely, 2^6536516443 is an apocalyptic number.

6536516443 is a deficient number, since it is larger than the sum of its proper divisors (1).

6536516443 is an equidigital number, since it uses as much as digits as its factorization.

6536516443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 43.

The square root of 6536516443 is about 80848.7256733215. The cubic root of 6536516443 is about 1869.7438755281.

The spelling of 6536516443 in words is "six billion, five hundred thirty-six million, five hundred sixteen thousand, four hundred forty-three".