8407800217573 has 2 divisors, whose sum is σ = 8407800217574. Its totient is φ = 8407800217572.

The previous prime is 8407800217571. The next prime is 8407800217591. The reversal of 8407800217573 is 3757120087048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4733378950689 + 3674421266884 = 2175633^2 + 1916878^2 .

It is a cyclic number.

It is not a de Polignac number, because 8407800217573 - 2¹ = 8407800217571 is a prime.

It is a super-2 number, since 2×8407800217573² (a number of 27 digits) contains 22 as substring.

Together with 8407800217571, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8407800217573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8407800217571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203900108786 + 4203900108787.

It is an arithmetic number, because the mean of its divisors is an integer number (4203900108787).

Almost surely, 2^{8407800217573} is an apocalyptic number.

It is an amenable number.

8407800217573 is a deficient number, since it is larger than the sum of its proper divisors (1).

8407800217573 is an equidigital number, since it uses as much as digits as its factorization.

8407800217573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 8407800217573 in words is "eight trillion, four hundred seven billion, eight hundred million, two hundred seventeen thousand, five hundred seventy-three".