8418464457817 has 48 divisors (see below), whose sum is σ = 9036969202560. Its totient is φ = 7838070831360.

The previous prime is 8418464457787. The next prime is 8418464457827. The reversal of 8418464457817 is 7187544648148.

It is a de Polignac number, because none of the positive numbers 2^k-8418464457817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8418464457827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484117159 + ... + 484134547.

It is an arithmetic number, because the mean of its divisors is an integer number (188270191720).

Almost surely, 2^{8418464457817} is an apocalyptic number.

It is an amenable number.

8418464457817 is a deficient number, since it is larger than the sum of its proper divisors (618504744743).

8418464457817 is a wasteful number, since it uses less digits than its factorization.

8418464457817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17694 (or 17663 counting only the distinct ones).

The product of its digits is 192675840, while the sum is 67.

The spelling of 8418464457817 in words is "eight trillion, four hundred eighteen billion, four hundred sixty-four million, four hundred fifty-seven thousand, eight hundred seventeen".