449486567 has 4 divisors (see below), whose sum is σ = 460449696. Its totient is φ = 438523440.

The previous prime is 449486561. The next prime is 449486621. The reversal of 449486567 is 765684944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449486567 - 2⁴ = 449486551 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 (449486561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5481503 + ... + 5481584.

It is an arithmetic number, because the mean of its divisors is an integer number (115112424).

Almost surely, 2^449486567 is an apocalyptic number.

449486567 is a deficient number, since it is larger than the sum of its proper divisors (10963129).

449486567 is a wasteful number, since it uses less digits than its factorization.

449486567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963128.

The product of its digits is 5806080, while the sum is 53.

The square root of 449486567 is about 21201.0982498549. The cubic root of 449486567 is about 766.0178781103.

It can be divided in two parts, 44948 and 6567, that added together give a palindrome (51515).

The spelling of 449486567 in words is "four hundred forty-nine million, four hundred eighty-six thousand, five hundred sixty-seven".