449352693 has 12 divisors (see below), whose sum is σ = 649399660. Its totient is φ = 299414016.

The previous prime is 449352649. The next prime is 449352697. The reversal of 449352693 is 396253944.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 446815044 = 1593^2 + 21138^2 .

It is not a de Polignac number, because 449352693 - 2¹³ = 449344501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449352697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7203 + ... + 30831.

Almost surely, 2^449352693 is an apocalyptic number.

It is an amenable number.

449352693 is a deficient number, since it is larger than the sum of its proper divisors (200046967).

449352693 is a wasteful number, since it uses less digits than its factorization.

449352693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25748 (or 25745 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 449352693 is about 21197.9407726317. The cubic root of 449352693 is about 765.9418209170.

The spelling of 449352693 in words is "four hundred forty-nine million, three hundred fifty-two thousand, six hundred ninety-three".