8224639409539 has 16 divisors (see below), whose sum is σ = 9425065254912. Its totient is φ = 7030586562048.

The previous prime is 8224639409473. The next prime is 8224639409563. The reversal of 8224639409539 is 9359049364228.

It is not a de Polignac number, because 8224639409539 - 2²¹ = 8224637312387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8224639409579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27823852 + ... + 28117894.

It is an arithmetic number, because the mean of its divisors is an integer number (589066578432).

Almost surely, 2^{8224639409539} is an apocalyptic number.

8224639409539 is a deficient number, since it is larger than the sum of its proper divisors (1200425845373).

8224639409539 is a wasteful number, since it uses less digits than its factorization.

8224639409539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304866.

The product of its (nonzero) digits is 100776960, while the sum is 64.

The spelling of 8224639409539 in words is "eight trillion, two hundred twenty-four billion, six hundred thirty-nine million, four hundred nine thousand, five hundred thirty-nine".