6613113446249 has 2 divisors, whose sum is σ = 6613113446250. Its totient is φ = 6613113446248.

The previous prime is 6613113446243. The next prime is 6613113446297. The reversal of 6613113446249 is 9426443113166.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4237553995024 + 2375559451225 = 2058532^2 + 1541285^2 .

It is a cyclic number.

It is not a de Polignac number, because 6613113446249 - 2²⁴ = 6613096669033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6613113446197 and 6613113446206.

It is not a weakly prime, because it can be changed into another prime (6613113446243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3306556723124 + 3306556723125.

It is an arithmetic number, because the mean of its divisors is an integer number (3306556723125).

Almost surely, 2^{6613113446249} is an apocalyptic number.

It is an amenable number.

6613113446249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6613113446249 is an equidigital number, since it uses as much as digits as its factorization.

6613113446249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 50.

The spelling of 6613113446249 in words is "six trillion, six hundred thirteen billion, one hundred thirteen million, four hundred forty-six thousand, two hundred forty-nine".