8213840397359 has 8 divisors (see below), whose sum is σ = 8498268390000. Its totient is φ = 7929491879232.

The previous prime is 8213840397331. The next prime is 8213840397379. The reversal of 8213840397359 is 9537930483128.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8213840397359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213840397379) 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, 19658309 + ... + 20071790.

It is an arithmetic number, because the mean of its divisors is an integer number (1062283548750).

Almost surely, 2^{8213840397359} is an apocalyptic number.

8213840397359 is a deficient number, since it is larger than the sum of its proper divisors (284427992641).

8213840397359 is a wasteful number, since it uses less digits than its factorization.

8213840397359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39737257.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 8213840397359 in words is "eight trillion, two hundred thirteen billion, eight hundred forty million, three hundred ninety-seven thousand, three hundred fifty-nine".