449531101 has 4 divisors (see below), whose sum is σ = 452223072. Its totient is φ = 446839132.

The previous prime is 449531099. The next prime is 449531111. The reversal of 449531101 is 101135944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449531101 - 2¹ = 449531099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449531101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449531111) 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 in 3 ways as a sum of consecutive naturals, for example, 1345735 + ... + 1346068.

It is an arithmetic number, because the mean of its divisors is an integer number (113055768).

Almost surely, 2^449531101 is an apocalyptic number.

It is an amenable number.

449531101 is a deficient number, since it is larger than the sum of its proper divisors (2691971).

449531101 is a wasteful number, since it uses less digits than its factorization.

449531101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691970.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 449531101 is about 21202.1484996214. The cubic root of 449531101 is about 766.0431756506.

The spelling of 449531101 in words is "four hundred forty-nine million, five hundred thirty-one thousand, one hundred one".