8939214140729 has 2 divisors, whose sum is σ = 8939214140730. Its totient is φ = 8939214140728.

The previous prime is 8939214140683. The next prime is 8939214140851. The reversal of 8939214140729 is 9270414129398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7007456065600 + 1931758075129 = 2647160^2 + 1389877^2 .

It is a cyclic number.

It is not a de Polignac number, because 8939214140729 - 2²⁴ = 8939197363513 is a prime.

It is not a weakly prime, because it can be changed into another prime (8939214140429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469607070364 + 4469607070365.

It is an arithmetic number, because the mean of its divisors is an integer number (4469607070365).

Almost surely, 2^{8939214140729} is an apocalyptic number.

It is an amenable number.

8939214140729 is a deficient number, since it is larger than the sum of its proper divisors (1).

8939214140729 is an equidigital number, since it uses as much as digits as its factorization.

8939214140729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 8939214140729 in words is "eight trillion, nine hundred thirty-nine billion, two hundred fourteen million, one hundred forty thousand, seven hundred twenty-nine".