12329245891 has 2 divisors, whose sum is σ = 12329245892. Its totient is φ = 12329245890.

The previous prime is 12329245853. The next prime is 12329245949. The reversal of 12329245891 is 19854292321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12329245891 - 2²¹ = 12327148739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12329245811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164622945 + 6164622946.

It is an arithmetic number, because the mean of its divisors is an integer number (6164622946).

Almost surely, 2^12329245891 is an apocalyptic number.

12329245891 is a deficient number, since it is larger than the sum of its proper divisors (1).

12329245891 is an equidigital number, since it uses as much as digits as its factorization.

12329245891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The spelling of 12329245891 in words is "twelve billion, three hundred twenty-nine million, two hundred forty-five thousand, eight hundred ninety-one".