8717673421001 has 4 divisors (see below), whose sum is σ = 8727568624404. Its totient is φ = 8707778217600.

The previous prime is 8717673420983. The next prime is 8717673421003. The reversal of 8717673421001 is 1001243767178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1152005089225 + 7565668331776 = 1073315^2 + 2750576^2 .

It is a cyclic number.

It is not a de Polignac number, because 8717673421001 - 2²² = 8717669226697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8717673421003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4947600380 + ... + 4947602141.

It is an arithmetic number, because the mean of its divisors is an integer number (2181892156101).

Almost surely, 2^{8717673421001} is an apocalyptic number.

It is an amenable number.

8717673421001 is a deficient number, since it is larger than the sum of its proper divisors (9895203403).

8717673421001 is an equidigital number, since it uses as much as digits as its factorization.

8717673421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895203402.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 8717673421001 in words is "eight trillion, seven hundred seventeen billion, six hundred seventy-three million, four hundred twenty-one thousand, one".