449944493 has 2 divisors, whose sum is σ = 449944494. Its totient is φ = 449944492.

The previous prime is 449944487. The next prime is 449944499. The reversal of 449944493 is 394449944.

It is a balanced prime because it is at equal distance from previous prime (449944487) and next prime (449944499).

It can be written as a sum of positive squares in only one way, i.e., 438567364 + 11377129 = 20942^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 449944493 - 2⁴ = 449944477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449944499) 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, 224972246 + 224972247.

It is an arithmetic number, because the mean of its divisors is an integer number (224972247).

Almost surely, 2^449944493 is an apocalyptic number.

It is an amenable number.

449944493 is a deficient number, since it is larger than the sum of its proper divisors (1).

449944493 is an equidigital number, since it uses as much as digits as its factorization.

449944493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 50.

The square root of 449944493 is about 21211.8950827124. The cubic root of 449944493 is about 766.2779232923.

The spelling of 449944493 in words is "four hundred forty-nine million, nine hundred forty-four thousand, four hundred ninety-three".