12419668013 has 2 divisors, whose sum is σ = 12419668014. Its totient is φ = 12419668012.

The previous prime is 12419667989. The next prime is 12419668057. The reversal of 12419668013 is 31086691421.

12419668013 = 78802² + 78803².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6209912809 + 6209755204 = 78803^2 + 78802^2 .

It is an emirp because it is prime and its reverse (31086691421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12419668013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12419668813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209834006 + 6209834007.

It is an arithmetic number, because the mean of its divisors is an integer number (6209834007).

Almost surely, 2^12419668013 is an apocalyptic number.

12419668013 is the 78803-rd centered square number.

It is an amenable number.

12419668013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12419668013 is an equidigital number, since it uses as much as digits as its factorization.

12419668013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 12419668013 in words is "twelve billion, four hundred nineteen million, six hundred sixty-eight thousand, thirteen".