4517248645939 has 2 divisors, whose sum is σ = 4517248645940. Its totient is φ = 4517248645938.

The previous prime is 4517248645909. The next prime is 4517248646011. The reversal of 4517248645939 is 9395468427154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4517248645939 - 2²⁵ = 4517215091507 is a prime.

It is not a weakly prime, because it can be changed into another prime (4517248645909) 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, 2258624322969 + 2258624322970.

It is an arithmetic number, because the mean of its divisors is an integer number (2258624322970).

Almost surely, 2^{4517248645939} is an apocalyptic number.

4517248645939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4517248645939 is an equidigital number, since it uses as much as digits as its factorization.

4517248645939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 67.

The spelling of 4517248645939 in words is "four trillion, five hundred seventeen billion, two hundred forty-eight million, six hundred forty-five thousand, nine hundred thirty-nine".