13016124689 has 4 divisors (see below), whose sum is σ = 13017483300. Its totient is φ = 13014766080.

The previous prime is 13016124683. The next prime is 13016124707. The reversal of 13016124689 is 98642161031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 563350225 + 12452774464 = 23735^2 + 111592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13016124689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13016124683) 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, 664832 + ... + 684129.

It is an arithmetic number, because the mean of its divisors is an integer number (3254370825).

Almost surely, 2^13016124689 is an apocalyptic number.

It is an amenable number.

13016124689 is a deficient number, since it is larger than the sum of its proper divisors (1358611).

13016124689 is an equidigital number, since it uses as much as digits as its factorization.

13016124689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358610.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 13016124689 in words is "thirteen billion, sixteen million, one hundred twenty-four thousand, six hundred eighty-nine".