8244489751563 has 24 divisors (see below), whose sum is σ = 12018852947712. Its totient is φ = 5024274529248.

The previous prime is 8244489751507. The next prime is 8244489751627. The reversal of 8244489751563 is 3651579844428.

It is not a de Polignac number, because 8244489751563 - 2⁹ = 8244489751051 is a prime.

It is a super-2 number, since 2×8244489751563² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8244489751494 and 8244489751503.

It is not an unprimeable number, because it can be changed into a prime (8244489751163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78886231 + ... + 78990672.

It is an arithmetic number, because the mean of its divisors is an integer number (500785539488).

Almost surely, 2^{8244489751563} is an apocalyptic number.

8244489751563 is a deficient number, since it is larger than the sum of its proper divisors (3774363196149).

8244489751563 is a wasteful number, since it uses less digits than its factorization.

8244489751563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157877035 (or 157877022 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 66.

The spelling of 8244489751563 in words is "eight trillion, two hundred forty-four billion, four hundred eighty-nine million, seven hundred fifty-one thousand, five hundred sixty-three".