504445913249 has 2 divisors, whose sum is σ = 504445913250. Its totient is φ = 504445913248.

The previous prime is 504445913243. The next prime is 504445913281. The reversal of 504445913249 is 942319544405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319188841024 + 185257072225 = 564968^2 + 430415^2 .

It is a cyclic number.

It is not a de Polignac number, because 504445913249 - 2²⁴ = 504429136033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504445913197 and 504445913206.

It is not a weakly prime, because it can be changed into another prime (504445913243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252222956624 + 252222956625.

It is an arithmetic number, because the mean of its divisors is an integer number (252222956625).

Almost surely, 2^504445913249 is an apocalyptic number.

It is an amenable number.

504445913249 is a deficient number, since it is larger than the sum of its proper divisors (1).

504445913249 is an equidigital number, since it uses as much as digits as its factorization.

504445913249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 504445913249 in words is "five hundred four billion, four hundred forty-five million, nine hundred thirteen thousand, two hundred forty-nine".