449725563 has 24 divisors (see below), whose sum is σ = 758204928. Its totient is φ = 251516592.

The previous prime is 449725561. The next prime is 449725567. The reversal of 449725563 is 365527944.

449725563 is a `hidden beast` number, since 4 + 4 + 97 + 2 + 556 + 3 = 666.

It is not a de Polignac number, because 449725563 - 2¹ = 449725561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449725561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72981 + ... + 78902.

It is an arithmetic number, because the mean of its divisors is an integer number (31591872).

Almost surely, 2^449725563 is an apocalyptic number.

449725563 is a deficient number, since it is larger than the sum of its proper divisors (308479365).

449725563 is a wasteful number, since it uses less digits than its factorization.

449725563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151943 (or 151940 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 449725563 is about 21206.7339069457. The cubic root of 449725563 is about 766.1536202246.

The spelling of 449725563 in words is "four hundred forty-nine million, seven hundred twenty-five thousand, five hundred sixty-three".