4517248645909 has 2 divisors, whose sum is σ = 4517248645910. Its totient is φ = 4517248645908.

The previous prime is 4517248645879. The next prime is 4517248645939. The reversal of 4517248645909 is 9095468427154.

It is a balanced prime because it is at equal distance from previous prime (4517248645879) and next prime (4517248645939).

It can be written as a sum of positive squares in only one way, i.e., 2861595140625 + 1655653505284 = 1691625^2 + 1286722^2 .

It is a cyclic number.

It is not a de Polignac number, because 4517248645909 - 2³¹ = 4515101162261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4517248645939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2258624322954 + 2258624322955.

It is an arithmetic number, because the mean of its divisors is an integer number (2258624322955).

Almost surely, 2^{4517248645909} is an apocalyptic number.

It is an amenable number.

4517248645909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4517248645909 is an equidigital number, since it uses as much as digits as its factorization.

4517248645909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 4517248645909 in words is "four trillion, five hundred seventeen billion, two hundred forty-eight million, six hundred forty-five thousand, nine hundred nine".