12473489813 has 2 divisors, whose sum is σ = 12473489814. Its totient is φ = 12473489812.

The previous prime is 12473489783. The next prime is 12473489867. The reversal of 12473489813 is 31898437421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12470858929 + 2630884 = 111673^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 12473489813 - 2²⁶ = 12406380949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12473489893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6236744906 + 6236744907.

It is an arithmetic number, because the mean of its divisors is an integer number (6236744907).

Almost surely, 2^12473489813 is an apocalyptic number.

It is an amenable number.

12473489813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12473489813 is an equidigital number, since it uses as much as digits as its factorization.

12473489813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The spelling of 12473489813 in words is "twelve billion, four hundred seventy-three million, four hundred eighty-nine thousand, eight hundred thirteen".