13280539939 has 4 divisors (see below), whose sum is σ = 13281257880. Its totient is φ = 13279822000.

The previous prime is 13280539933. The next prime is 13280539997. The reversal of 13280539939 is 93993508231.

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 13280539939 - 2¹¹ = 13280537891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13280539933) 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, 330469 + ... + 368470.

It is an arithmetic number, because the mean of its divisors is an integer number (3320314470).

Almost surely, 2^13280539939 is an apocalyptic number.

13280539939 is a deficient number, since it is larger than the sum of its proper divisors (717941).

13280539939 is an equidigital number, since it uses as much as digits as its factorization.

13280539939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717940.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 13280539939 in words is "thirteen billion, two hundred eighty million, five hundred thirty-nine thousand, nine hundred thirty-nine".