449257799 has 2 divisors, whose sum is σ = 449257800. Its totient is φ = 449257798.

The previous prime is 449257771. The next prime is 449257813. The reversal of 449257799 is 997752944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449257799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449257709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224628899 + 224628900.

It is an arithmetic number, because the mean of its divisors is an integer number (224628900).

Almost surely, 2^449257799 is an apocalyptic number.

449257799 is a deficient number, since it is larger than the sum of its proper divisors (1).

449257799 is an equidigital number, since it uses as much as digits as its factorization.

449257799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 56.

The square root of 449257799 is about 21195.7023709996. The cubic root of 449257799 is about 765.8879000947.

The spelling of 449257799 in words is "four hundred forty-nine million, two hundred fifty-seven thousand, seven hundred ninety-nine".