439485299911 has 4 divisors (see below), whose sum is σ = 502268914192. Its totient is φ = 376701685632.

The previous prime is 439485299909. The next prime is 439485299947. The reversal of 439485299911 is 119992584934.

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 439485299911 - 2¹ = 439485299909 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 (439485299711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31391807130 + ... + 31391807143.

It is an arithmetic number, because the mean of its divisors is an integer number (125567228548).

Almost surely, 2^439485299911 is an apocalyptic number.

439485299911 is a deficient number, since it is larger than the sum of its proper divisors (62783614281).

439485299911 is an equidigital number, since it uses as much as digits as its factorization.

439485299911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62783614280.

The product of its digits is 25194240, while the sum is 64.

The spelling of 439485299911 in words is "four hundred thirty-nine billion, four hundred eighty-five million, two hundred ninety-nine thousand, nine hundred eleven".