439468511009 has 4 divisors (see below), whose sum is σ = 479420193840. Its totient is φ = 399516828180.

The previous prime is 439468510967. The next prime is 439468511057. The reversal of 439468511009 is 900115864934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 439468511009 - 2²⁰ = 439467462433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439468511089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19975841399 + ... + 19975841420.

It is an arithmetic number, because the mean of its divisors is an integer number (119855048460).

Almost surely, 2^439468511009 is an apocalyptic number.

It is an amenable number.

439468511009 is a deficient number, since it is larger than the sum of its proper divisors (39951682831).

439468511009 is a wasteful number, since it uses less digits than its factorization.

439468511009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39951682830.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 439468511009 in words is "four hundred thirty-nine billion, four hundred sixty-eight million, five hundred eleven thousand, nine".