5236644443 has 2 divisors, whose sum is σ = 5236644444. Its totient is φ = 5236644442.

The previous prime is 5236644431. The next prime is 5236644493. The reversal of 5236644443 is 3444466325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5236644443 - 2¹⁸ = 5236382299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5236644443.

It is not a weakly prime, because it can be changed into another prime (5236644493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618322221 + 2618322222.

It is an arithmetic number, because the mean of its divisors is an integer number (2618322222).

Almost surely, 2^5236644443 is an apocalyptic number.

5236644443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5236644443 is an equidigital number, since it uses as much as digits as its factorization.

5236644443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 41.

The square root of 5236644443 is about 72364.6629440088. The cubic root of 5236644443 is about 1736.5382845322.

The spelling of 5236644443 in words is "five billion, two hundred thirty-six million, six hundred forty-four thousand, four hundred forty-three".