8420134713617 has 16 divisors (see below), whose sum is σ = 9205240645440. Its totient is φ = 7638317068800.

The previous prime is 8420134713593. The next prime is 8420134713631. The reversal of 8420134713617 is 7163174310248.

It is not a de Polignac number, because 8420134713617 - 2³⁴ = 8402954844433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8420134713647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10810517 + ... + 11563197.

It is an arithmetic number, because the mean of its divisors is an integer number (575327540340).

Almost surely, 2^{8420134713617} is an apocalyptic number.

It is an amenable number.

8420134713617 is a deficient number, since it is larger than the sum of its proper divisors (785105931823).

8420134713617 is a wasteful number, since it uses less digits than its factorization.

8420134713617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754864.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 8420134713617 in words is "eight trillion, four hundred twenty billion, one hundred thirty-four million, seven hundred thirteen thousand, six hundred seventeen".