9329439397 has 2 divisors, whose sum is σ = 9329439398. Its totient is φ = 9329439396.

The previous prime is 9329439389. The next prime is 9329439433. The reversal of 9329439397 is 7939349239.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9008097921 + 321341476 = 94911^2 + 17926^2 .

It is a cyclic number.

It is not a de Polignac number, because 9329439397 - 2³ = 9329439389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9329469397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4664719698 + 4664719699.

It is an arithmetic number, because the mean of its divisors is an integer number (4664719699).

Almost surely, 2^9329439397 is an apocalyptic number.

It is an amenable number.

9329439397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9329439397 is an equidigital number, since it uses as much as digits as its factorization.

9329439397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232, while the sum is 58.

The square root of 9329439397 is about 96589.0231703375. The cubic root of 9329439397 is about 2105.1603548926.

The spelling of 9329439397 in words is "nine billion, three hundred twenty-nine million, four hundred thirty-nine thousand, three hundred ninety-seven".