9345438345439 has 4 divisors (see below), whose sum is σ = 10680500966224. Its totient is φ = 8010375724656.

The previous prime is 9345438345359. The next prime is 9345438345563.

It is a happy number.

9345438345439 is nontrivially palindromic in base 10.

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 9345438345439 - 2¹⁵ = 9345438312671 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 (9345438315439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667531310382 + ... + 667531310395.

It is an arithmetic number, because the mean of its divisors is an integer number (2670125241556).

Almost surely, 2^{9345438345439} is an apocalyptic number.

9345438345439 is a deficient number, since it is larger than the sum of its proper divisors (1335062620785).

9345438345439 is a wasteful number, since it uses less digits than its factorization.

9345438345439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335062620784.

The product of its digits is 335923200, while the sum is 64.

The spelling of 9345438345439 in words is "nine trillion, three hundred forty-five billion, four hundred thirty-eight million, three hundred forty-five thousand, four hundred thirty-nine".