4245537239 has 2 divisors, whose sum is σ = 4245537240. Its totient is φ = 4245537238.

The previous prime is 4245537227. The next prime is 4245537259. The reversal of 4245537239 is 9327355424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4245537239 - 2²⁰ = 4244488663 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 4245537239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4245537259) 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, 2122768619 + 2122768620.

It is an arithmetic number, because the mean of its divisors is an integer number (2122768620).

Almost surely, 2^4245537239 is an apocalyptic number.

4245537239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245537239 is an equidigital number, since it uses as much as digits as its factorization.

4245537239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 44.

The square root of 4245537239 is about 65157.7872475731. The cubic root of 4245537239 is about 1619.2387368499.

The spelling of 4245537239 in words is "four billion, two hundred forty-five million, five hundred thirty-seven thousand, two hundred thirty-nine".