449645601 has 8 divisors (see below), whose sum is σ = 605028160. Its totient is φ = 297013392.

The previous prime is 449645543. The next prime is 449645629. The reversal of 449645601 is 106546944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-449645601 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 449645601.

It is not an unprimeable number, because it can be changed into a prime (449645641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687205 + ... + 687858.

It is an arithmetic number, because the mean of its divisors is an integer number (75628520).

Almost surely, 2^449645601 is an apocalyptic number.

It is an amenable number.

449645601 is a deficient number, since it is larger than the sum of its proper divisors (155382559).

449645601 is a wasteful number, since it uses less digits than its factorization.

449645601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375175.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 449645601 is about 21204.8485257500. The cubic root of 449645601 is about 766.1082097105.

The spelling of 449645601 in words is "four hundred forty-nine million, six hundred forty-five thousand, six hundred one".