449019511 has 2 divisors, whose sum is σ = 449019512. Its totient is φ = 449019510.

The previous prime is 449019503. The next prime is 449019541. The reversal of 449019511 is 115910944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449019511 - 2³ = 449019503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449019541) 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, 224509755 + 224509756.

It is an arithmetic number, because the mean of its divisors is an integer number (224509756).

Almost surely, 2^449019511 is an apocalyptic number.

449019511 is a deficient number, since it is larger than the sum of its proper divisors (1).

449019511 is an equidigital number, since it uses as much as digits as its factorization.

449019511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 449019511 is about 21190.0804859255. The cubic root of 449019511 is about 765.7524662210.

The spelling of 449019511 in words is "four hundred forty-nine million, nineteen thousand, five hundred eleven".