9381828139 has 2 divisors, whose sum is σ = 9381828140. Its totient is φ = 9381828138.

The previous prime is 9381828103. The next prime is 9381828149. The reversal of 9381828139 is 9318281839.

It is a strong prime.

It is an emirp because it is prime and its reverse (9318281839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9381828139 - 2⁷ = 9381828011 is a prime.

It is not a weakly prime, because it can be changed into another prime (9381828149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4690914069 + 4690914070.

It is an arithmetic number, because the mean of its divisors is an integer number (4690914070).

Almost surely, 2^9381828139 is an apocalyptic number.

9381828139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9381828139 is an equidigital number, since it uses as much as digits as its factorization.

9381828139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 9381828139 is about 96859.8375953625. The cubic root of 9381828139 is about 2109.0934568422.

The spelling of 9381828139 in words is "nine billion, three hundred eighty-one million, eight hundred twenty-eight thousand, one hundred thirty-nine".