13008545839 has 4 divisors (see below), whose sum is σ = 13080416440. Its totient is φ = 12936675240.

The previous prime is 13008545831. The next prime is 13008545861. The reversal of 13008545839 is 93854580031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93854580031 = 107873 ⋅870047.

It is a cyclic number.

It is not a de Polignac number, because 13008545839 - 2³ = 13008545831 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 (13008545831) 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, 35935029 + ... + 35935390.

It is an arithmetic number, because the mean of its divisors is an integer number (3270104110).

Almost surely, 2^13008545839 is an apocalyptic number.

13008545839 is a deficient number, since it is larger than the sum of its proper divisors (71870601).

13008545839 is an equidigital number, since it uses as much as digits as its factorization.

13008545839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71870600.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 13008545839 in words is "thirteen billion, eight million, five hundred forty-five thousand, eight hundred thirty-nine".