439347998063 has 4 divisors (see below), whose sum is σ = 473143997928. Its totient is φ = 405551998200.

The previous prime is 439347998027. The next prime is 439347998143. The reversal of 439347998063 is 360899743934.

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 439347998063 - 2¹⁴ = 439347981679 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 (439347998863) 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, 16897999913 + ... + 16897999938.

It is an arithmetic number, because the mean of its divisors is an integer number (118285999482).

Almost surely, 2^439347998063 is an apocalyptic number.

439347998063 is a deficient number, since it is larger than the sum of its proper divisors (33795999865).

439347998063 is a wasteful number, since it uses less digits than its factorization.

439347998063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33795999864.

The product of its (nonzero) digits is 105815808, while the sum is 65.

The spelling of 439347998063 in words is "four hundred thirty-nine billion, three hundred forty-seven million, nine hundred ninety-eight thousand, sixty-three".