449946619 has 4 divisors (see below), whose sum is σ = 473628040. Its totient is φ = 426265200.

The previous prime is 449946613. The next prime is 449946643. The reversal of 449946619 is 916649944.

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 449946619 - 2⁷ = 449946491 is a prime.

It is a super-2 number, since 2×449946619² = 404903919899062322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449946613) 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, 11840682 + ... + 11840719.

It is an arithmetic number, because the mean of its divisors is an integer number (118407010).

Almost surely, 2^449946619 is an apocalyptic number.

449946619 is a deficient number, since it is larger than the sum of its proper divisors (23681421).

449946619 is a wasteful number, since it uses less digits than its factorization.

449946619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23681420.

The product of its digits is 1679616, while the sum is 52.

The square root of 449946619 is about 21211.9451960446. The cubic root of 449946619 is about 766.2791301851.

The spelling of 449946619 in words is "four hundred forty-nine million, nine hundred forty-six thousand, six hundred nineteen".