12448847357 has 2 divisors, whose sum is σ = 12448847358. Its totient is φ = 12448847356.

The previous prime is 12448847309. The next prime is 12448847387. The reversal of 12448847357 is 75374884421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7742064121 + 4706783236 = 87989^2 + 68606^2 .

It is an emirp because it is prime and its reverse (75374884421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12448847357 - 2⁶ = 12448847293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12448847299 and 12448847308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12448847387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6224423678 + 6224423679.

It is an arithmetic number, because the mean of its divisors is an integer number (6224423679).

Almost surely, 2^12448847357 is an apocalyptic number.

It is an amenable number.

12448847357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12448847357 is an equidigital number, since it uses as much as digits as its factorization.

12448847357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6021120, while the sum is 53.

The spelling of 12448847357 in words is "twelve billion, four hundred forty-eight million, eight hundred forty-seven thousand, three hundred fifty-seven".