13887042713 has 2 divisors, whose sum is σ = 13887042714. Its totient is φ = 13887042712.

The previous prime is 13887042709. The next prime is 13887042737. The reversal of 13887042713 is 31724078831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13324546624 + 562496089 = 115432^2 + 23717^2 .

It is a cyclic number.

It is not a de Polignac number, because 13887042713 - 2² = 13887042709 is a prime.

It is not a weakly prime, because it can be changed into another prime (13887042313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6943521356 + 6943521357.

It is an arithmetic number, because the mean of its divisors is an integer number (6943521357).

Almost surely, 2^13887042713 is an apocalyptic number.

It is an amenable number.

13887042713 is a deficient number, since it is larger than the sum of its proper divisors (1).

13887042713 is an equidigital number, since it uses as much as digits as its factorization.

13887042713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 13887042713 in words is "thirteen billion, eight hundred eighty-seven million, forty-two thousand, seven hundred thirteen".