8939305395213 has 4 divisors (see below), whose sum is σ = 11919073860288. Its totient is φ = 5959536930140.

The previous prime is 8939305395197. The next prime is 8939305395271. The reversal of 8939305395213 is 3125935039398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8939305395213 - 2⁴ = 8939305395197 is a prime.

It is a super-2 number, since 2×8939305395213² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939305395313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489884232533 + ... + 1489884232538.

It is an arithmetic number, because the mean of its divisors is an integer number (2979768465072).

Almost surely, 2^{8939305395213} is an apocalyptic number.

It is an amenable number.

8939305395213 is a deficient number, since it is larger than the sum of its proper divisors (2979768465075).

8939305395213 is a wasteful number, since it uses less digits than its factorization.

8939305395213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979768465074.

The product of its (nonzero) digits is 23619600, while the sum is 60.

The spelling of 8939305395213 in words is "eight trillion, nine hundred thirty-nine billion, three hundred five million, three hundred ninety-five thousand, two hundred thirteen".