6544748503 has 2 divisors, whose sum is σ = 6544748504. Its totient is φ = 6544748502.

The previous prime is 6544748501. The next prime is 6544748521. The reversal of 6544748503 is 3058474456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6544748503 - 2¹ = 6544748501 is a prime.

Together with 6544748501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6544748501) 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, 3272374251 + 3272374252.

It is an arithmetic number, because the mean of its divisors is an integer number (3272374252).

Almost surely, 2^6544748503 is an apocalyptic number.

6544748503 is a deficient number, since it is larger than the sum of its proper divisors (1).

6544748503 is an equidigital number, since it uses as much as digits as its factorization.

6544748503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The square root of 6544748503 is about 80899.6199187611. The cubic root of 6544748503 is about 1870.5284619841.

The spelling of 6544748503 in words is "six billion, five hundred forty-four million, seven hundred forty-eight thousand, five hundred three".