449737605 has 12 divisors (see below), whose sum is σ = 779545260. Its totient is φ = 239860032.

The previous prime is 449737591. The next prime is 449737633. The reversal of 449737605 is 506737944.

449737605 is a `hidden beast` number, since 4 + 4 + 9 + 7 + 37 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 223024356 + 226713249 = 14934^2 + 15057^2 .

It is not a de Polignac number, because 449737605 - 2⁵ = 449737573 is a prime.

It is a super-2 number, since 2×449737605² = 404527826702272050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 9994169 = 449737605 / (4 + 4 + 9 + 7 + 3 + 7 + 6 + 0 + 5).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4997040 + ... + 4997129.

It is an arithmetic number, because the mean of its divisors is an integer number (64962105).

Almost surely, 2^449737605 is an apocalyptic number.

449737605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449737605 is a deficient number, since it is larger than the sum of its proper divisors (329807655).

449737605 is a wasteful number, since it uses less digits than its factorization.

449737605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994180 (or 9994177 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 449737605 is about 21207.0178242958. The cubic root of 449737605 is about 766.1604584242.

The spelling of 449737605 in words is "four hundred forty-nine million, seven hundred thirty-seven thousand, six hundred five".