449345777 has 2 divisors, whose sum is σ = 449345778. Its totient is φ = 449345776.

The previous prime is 449345753. The next prime is 449345783. The reversal of 449345777 is 777543944.

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., 449058481 + 287296 = 21191^2 + 536^2 .

It is a cyclic number.

It is not a de Polignac number, because 449345777 - 2¹² = 449341681 is a prime.

It is not a weakly prime, because it can be changed into another prime (449345737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224672888 + 224672889.

It is an arithmetic number, because the mean of its divisors is an integer number (224672889).

Almost surely, 2^449345777 is an apocalyptic number.

It is an amenable number.

449345777 is a deficient number, since it is larger than the sum of its proper divisors (1).

449345777 is an equidigital number, since it uses as much as digits as its factorization.

449345777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 50.

The square root of 449345777 is about 21197.7776429512. Note that the first 3 decimals coincide. The cubic root of 449345777 is about 765.9378913528.

The spelling of 449345777 in words is "four hundred forty-nine million, three hundred forty-five thousand, seven hundred seventy-seven".