449944487 has 2 divisors, whose sum is σ = 449944488. Its totient is φ = 449944486.

The previous prime is 449944477. The next prime is 449944493. The reversal of 449944487 is 784449944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449944487 - 2¹⁶ = 449878951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449944477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224972243 + 224972244.

It is an arithmetic number, because the mean of its divisors is an integer number (224972244).

Almost surely, 2^449944487 is an apocalyptic number.

449944487 is a deficient number, since it is larger than the sum of its proper divisors (1).

449944487 is an equidigital number, since it uses as much as digits as its factorization.

449944487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 53.

The square root of 449944487 is about 21211.8949412824. The cubic root of 449944487 is about 766.2779198862.

The spelling of 449944487 in words is "four hundred forty-nine million, nine hundred forty-four thousand, four hundred eighty-seven".