418644068317 has 2 divisors, whose sum is σ = 418644068318. Its totient is φ = 418644068316.

The previous prime is 418644068287. The next prime is 418644068383. The reversal of 418644068317 is 713860446814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311178771556 + 107465296761 = 557834^2 + 327819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418644068317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418644468317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209322034158 + 209322034159.

It is an arithmetic number, because the mean of its divisors is an integer number (209322034159).

Almost surely, 2^418644068317 is an apocalyptic number.

It is an amenable number.

418644068317 is a deficient number, since it is larger than the sum of its proper divisors (1).

418644068317 is an equidigital number, since it uses as much as digits as its factorization.

418644068317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 418644068317 in words is "four hundred eighteen billion, six hundred forty-four million, sixty-eight thousand, three hundred seventeen".