449355481 has 4 divisors (see below), whose sum is σ = 451370752. Its totient is φ = 447340212.

The previous prime is 449355469. The next prime is 449355497. The reversal of 449355481 is 184553944.

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 449355481 - 2¹⁷ = 449224409 is a prime.

It is a super-2 number, since 2×449355481² = 403840696609482722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449355421) 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, 1007301 + ... + 1007746.

It is an arithmetic number, because the mean of its divisors is an integer number (112842688).

Almost surely, 2^449355481 is an apocalyptic number.

It is an amenable number.

449355481 is a deficient number, since it is larger than the sum of its proper divisors (2015271).

449355481 is a wasteful number, since it uses less digits than its factorization.

449355481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015270.

The product of its digits is 345600, while the sum is 43.

The square root of 449355481 is about 21198.0065336342. The cubic root of 449355481 is about 765.9434050041.

The spelling of 449355481 in words is "four hundred forty-nine million, three hundred fifty-five thousand, four hundred eighty-one".