8499343396544 has 896 divisors, whose sum is σ = 24466254059520. Its totient is φ = 2820361420800.

The previous prime is 8499343396469. The next prime is 8499343396549. The reversal of 8499343396544 is 4456933439948.

It is a super-2 number, since 2×8499343396544² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8499343396549) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8390269382 + ... + 8390270394.

It is an arithmetic number, because the mean of its divisors is an integer number (27306087120).

Almost surely, 2^{8499343396544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8499343396544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12233127029760).

8499343396544 is an abundant number, since it is smaller than the sum of its proper divisors (15966910662976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8499343396544 is a wasteful number, since it uses less digits than its factorization.

8499343396544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1239 counting only the distinct ones).

The product of its digits is 1209323520, while the sum is 71.

The spelling of 8499343396544 in words is "eight trillion, four hundred ninety-nine billion, three hundred forty-three million, three hundred ninety-six thousand, five hundred forty-four".