4247362439 has 2 divisors, whose sum is σ = 4247362440. Its totient is φ = 4247362438.

The previous prime is 4247362337. The next prime is 4247362507. The reversal of 4247362439 is 9342637424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4247362439 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 4247362439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4247562439) 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, 2123681219 + 2123681220.

It is an arithmetic number, because the mean of its divisors is an integer number (2123681220).

Almost surely, 2^4247362439 is an apocalyptic number.

4247362439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247362439 is an equidigital number, since it uses as much as digits as its factorization.

4247362439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 44.

The square root of 4247362439 is about 65171.7917430540. The cubic root of 4247362439 is about 1619.4707460518.

The spelling of 4247362439 in words is "four billion, two hundred forty-seven million, three hundred sixty-two thousand, four hundred thirty-nine".