5436352643 has 2 divisors, whose sum is σ = 5436352644. Its totient is φ = 5436352642.

The previous prime is 5436352639. The next prime is 5436352693. The reversal of 5436352643 is 3462536345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5436352643 - 2² = 5436352639 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5436352643.

It is not a weakly prime, because it can be changed into another prime (5436352693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718176321 + 2718176322.

It is an arithmetic number, because the mean of its divisors is an integer number (2718176322).

Almost surely, 2^5436352643 is an apocalyptic number.

5436352643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436352643 is an equidigital number, since it uses as much as digits as its factorization.

5436352643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 41.

The square root of 5436352643 is about 73731.6257992457. The cubic root of 5436352643 is about 1758.3387219788.

Adding to 5436352643 its reverse (3462536345), we get a palindrome (8898888988).

The spelling of 5436352643 in words is "five billion, four hundred thirty-six million, three hundred fifty-two thousand, six hundred forty-three".