449878543 has 8 divisors (see below), whose sum is σ = 456258240. Its totient is φ = 443536800.

The previous prime is 449878529. The next prime is 449878567. The reversal of 449878543 is 345878944.

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

It is a cyclic number.

It is not a de Polignac number, because 449878543 - 2⁵ = 449878511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449876543) 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, 14821 + ... + 33457.

It is an arithmetic number, because the mean of its divisors is an integer number (57032280).

Almost surely, 2^449878543 is an apocalyptic number.

449878543 is a deficient number, since it is larger than the sum of its proper divisors (6379697).

449878543 is a wasteful number, since it uses less digits than its factorization.

449878543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18977.

The product of its digits is 3870720, while the sum is 52.

The square root of 449878543 is about 21210.3404734578. The cubic root of 449878543 is about 766.2404827494.

The spelling of 449878543 in words is "four hundred forty-nine million, eight hundred seventy-eight thousand, five hundred forty-three".