5001247943 has 2 divisors, whose sum is σ = 5001247944. Its totient is φ = 5001247942.

The previous prime is 5001247919. The next prime is 5001247973. The reversal of 5001247943 is 3497421005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5001247943 - 2¹² = 5001243847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5001247973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500623971 + 2500623972.

It is an arithmetic number, because the mean of its divisors is an integer number (2500623972).

Almost surely, 2^5001247943 is an apocalyptic number.

5001247943 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001247943 is an equidigital number, since it uses as much as digits as its factorization.

5001247943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5001247943 is about 70719.5018576913. The cubic root of 5001247943 is about 1710.1181983434.

Adding to 5001247943 its reverse (3497421005), we get a palindrome (8498668948).

The spelling of 5001247943 in words is "five billion, one million, two hundred forty-seven thousand, nine hundred forty-three".