449772961 has 8 divisors (see below), whose sum is σ = 519524064. Its totient is φ = 384832320.

The previous prime is 449772949. The next prime is 449773007. The reversal of 449772961 is 169277944.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449772961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449772931) 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, 1202415 + ... + 1202788.

It is an arithmetic number, because the mean of its divisors is an integer number (64940508).

Almost surely, 2^449772961 is an apocalyptic number.

It is an amenable number.

449772961 is a deficient number, since it is larger than the sum of its proper divisors (69751103).

449772961 is a wasteful number, since it uses less digits than its factorization.

449772961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405231.

The product of its digits is 762048, while the sum is 49.

The square root of 449772961 is about 21207.8513998943. The cubic root of 449772961 is about 766.1805350638.

The spelling of 449772961 in words is "four hundred forty-nine million, seven hundred seventy-two thousand, nine hundred sixty-one".