12305839393 has 2 divisors, whose sum is σ = 12305839394. Its totient is φ = 12305839392.

The previous prime is 12305839369. The next prime is 12305839409. The reversal of 12305839393 is 39393850321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6166646784 + 6139192609 = 78528^2 + 78353^2 .

It is a cyclic number.

It is not a de Polignac number, because 12305839393 - 2¹³ = 12305831201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12305839363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152919696 + 6152919697.

It is an arithmetic number, because the mean of its divisors is an integer number (6152919697).

Almost surely, 2^12305839393 is an apocalyptic number.

It is an amenable number.

12305839393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12305839393 is an equidigital number, since it uses as much as digits as its factorization.

12305839393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 46.

The spelling of 12305839393 in words is "twelve billion, three hundred five million, eight hundred thirty-nine thousand, three hundred ninety-three".