8389444474273 has 4 divisors (see below), whose sum is σ = 8389669894848. Its totient is φ = 8389219053700.

The previous prime is 8389444474231. The next prime is 8389444474283. The reversal of 8389444474273 is 3724744449838.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8389444474273 - 2¹⁷ = 8389444343201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8389444474199 and 8389444474208.

It is not an unprimeable number, because it can be changed into a prime (8389444474283) 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, 112654453 + ... + 112728898.

It is an arithmetic number, because the mean of its divisors is an integer number (2097417473712).

Almost surely, 2^{8389444474273} is an apocalyptic number.

It is an amenable number.

8389444474273 is a deficient number, since it is larger than the sum of its proper divisors (225420575).

8389444474273 is a wasteful number, since it uses less digits than its factorization.

8389444474273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225420574.

The product of its digits is 520224768, while the sum is 67.

The spelling of 8389444474273 in words is "eight trillion, three hundred eighty-nine billion, four hundred forty-four million, four hundred seventy-four thousand, two hundred seventy-three".