12319394497 has 2 divisors, whose sum is σ = 12319394498. Its totient is φ = 12319394496.

The previous prime is 12319394489. The next prime is 12319394509. The reversal of 12319394497 is 79449391321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6749608336 + 5569786161 = 82156^2 + 74631^2 .

It is a cyclic number.

It is not a de Polignac number, because 12319394497 - 2³ = 12319394489 is a prime.

It is not a weakly prime, because it can be changed into another prime (12319394447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159697248 + 6159697249.

It is an arithmetic number, because the mean of its divisors is an integer number (6159697249).

Almost surely, 2^12319394497 is an apocalyptic number.

It is an amenable number.

12319394497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12319394497 is an equidigital number, since it uses as much as digits as its factorization.

12319394497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The spelling of 12319394497 in words is "twelve billion, three hundred nineteen million, three hundred ninety-four thousand, four hundred ninety-seven".