9380947439 has 2 divisors, whose sum is σ = 9380947440. Its totient is φ = 9380947438.

The previous prime is 9380947421. The next prime is 9380947483. The reversal of 9380947439 is 9347490839.

It is a weak prime.

It is an emirp because it is prime and its reverse (9347490839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9380947439 - 2¹⁶ = 9380881903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9380947409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4690473719 + 4690473720.

It is an arithmetic number, because the mean of its divisors is an integer number (4690473720).

Almost surely, 2^9380947439 is an apocalyptic number.

9380947439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9380947439 is an equidigital number, since it uses as much as digits as its factorization.

9380947439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The square root of 9380947439 is about 96855.2912287191. The cubic root of 9380947439 is about 2109.0274591601.

The spelling of 9380947439 in words is "nine billion, three hundred eighty million, nine hundred forty-seven thousand, four hundred thirty-nine".