8224136775549 has 6 divisors (see below), whose sum is σ = 11879308675806. Its totient is φ = 5482757850360.

The previous prime is 8224136775493. The next prime is 8224136775571. The reversal of 8224136775549 is 9455776314228.

It is a happy number.

8224136775549 is a `hidden beast` number, since 8 + 2 + 2 + 4 + 1 + 3 + 6 + 77 + 554 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5885815644900 + 2338321130649 = 2426070^2 + 1529157^2 .

It is not a de Polignac number, because 8224136775549 - 2²³ = 8224128386941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8224136775599) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456896487522 + ... + 456896487539.

It is an arithmetic number, because the mean of its divisors is an integer number (1979884779301).

Almost surely, 2^{8224136775549} is an apocalyptic number.

It is an amenable number.

8224136775549 is a deficient number, since it is larger than the sum of its proper divisors (3655171900257).

8224136775549 is a wasteful number, since it uses less digits than its factorization.

8224136775549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913792975067 (or 913792975064 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 8224136775549 in words is "eight trillion, two hundred twenty-four billion, one hundred thirty-six million, seven hundred seventy-five thousand, five hundred forty-nine".