439365013 has 8 divisors (see below), whose sum is σ = 449875008. Its totient is φ = 428868384.

The previous prime is 439365007. The next prime is 439365053. The reversal of 439365013 is 310563934.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439365013 is a prime.

It is a super-2 number, since 2×439365013² = 386083229296980338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 439365013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439365053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102081 + ... + 106297.

It is an arithmetic number, because the mean of its divisors is an integer number (56234376).

Almost surely, 2^439365013 is an apocalyptic number.

439365013 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

439365013 is a deficient number, since it is larger than the sum of its proper divisors (10509995).

439365013 is a wasteful number, since it uses less digits than its factorization.

439365013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 439365013 is about 20961.0355898748. The cubic root of 439365013 is about 760.2244333705.

The spelling of 439365013 in words is "four hundred thirty-nine million, three hundred sixty-five thousand, thirteen".