8309484993563 has 8 divisors (see below), whose sum is σ = 8971216898448. Its totient is φ = 7650973196064.

The previous prime is 8309484993533. The next prime is 8309484993643. The reversal of 8309484993563 is 3653994849038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8309484993563 - 2¹⁴ = 8309484977179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8309484993533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805021481 + ... + 805031802.

It is an arithmetic number, because the mean of its divisors is an integer number (1121402112306).

Almost surely, 2^{8309484993563} is an apocalyptic number.

8309484993563 is a deficient number, since it is larger than the sum of its proper divisors (661731904885).

8309484993563 is a wasteful number, since it uses less digits than its factorization.

8309484993563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610053693.

The product of its (nonzero) digits is 604661760, while the sum is 71.

The spelling of 8309484993563 in words is "eight trillion, three hundred nine billion, four hundred eighty-four million, nine hundred ninety-three thousand, five hundred sixty-three".