449083838287 has 4 divisors (see below), whose sum is σ = 513238672336. Its totient is φ = 384929004240.

The previous prime is 449083838257. The next prime is 449083838311. The reversal of 449083838287 is 782838380944.

It is a happy number.

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 449083838287 - 2²³ = 449075449679 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 (449083838257) 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, 32077417014 + ... + 32077417027.

It is an arithmetic number, because the mean of its divisors is an integer number (128309668084).

Almost surely, 2^449083838287 is an apocalyptic number.

449083838287 is a deficient number, since it is larger than the sum of its proper divisors (64154834049).

449083838287 is an equidigital number, since it uses as much as digits as its factorization.

449083838287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64154834048.

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 449083838287 in words is "four hundred forty-nine billion, eighty-three million, eight hundred thirty-eight thousand, two hundred eighty-seven".