4391331439 has 8 divisors (see below), whose sum is σ = 4803891840. Its totient is φ = 3980995800.

The previous prime is 4391331437. The next prime is 4391331449. The reversal of 4391331439 is 9341331934.

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

It is a cyclic number.

It is not a de Polignac number, because 4391331439 - 2¹ = 4391331437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391331437) 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 7 ways as a sum of consecutive naturals, for example, 552057 + ... + 559954.

It is an arithmetic number, because the mean of its divisors is an integer number (600486480).

Almost surely, 2^4391331439 is an apocalyptic number.

4391331439 is a deficient number, since it is larger than the sum of its proper divisors (412560401).

4391331439 is a wasteful number, since it uses less digits than its factorization.

4391331439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112381.

The product of its digits is 104976, while the sum is 40.

The square root of 4391331439 is about 66267.1218554118. The cubic root of 4391331439 is about 1637.5657221568.

The spelling of 4391331439 in words is "four billion, three hundred ninety-one million, three hundred thirty-one thousand, four hundred thirty-nine".