9379644439 has 16 divisors (see below), whose sum is σ = 10330408224. Its totient is φ = 8445337600.

The previous prime is 9379644437. The next prime is 9379644511. The reversal of 9379644439 is 9344469739.

9379644439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9379644439 - 2¹ = 9379644437 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 (9379644437) 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 15 ways as a sum of consecutive naturals, for example, 3405687 + ... + 3408439.

It is an arithmetic number, because the mean of its divisors is an integer number (645650514).

Almost surely, 2^9379644439 is an apocalyptic number.

9379644439 is a deficient number, since it is larger than the sum of its proper divisors (950763785).

9379644439 is a wasteful number, since it uses less digits than its factorization.

9379644439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618.

The product of its digits is 17635968, while the sum is 58.

The square root of 9379644439 is about 96848.5644653549. The cubic root of 9379644439 is about 2108.9298076865.

The spelling of 9379644439 in words is "nine billion, three hundred seventy-nine million, six hundred forty-four thousand, four hundred thirty-nine".