13863541213 has 2 divisors, whose sum is σ = 13863541214. Its totient is φ = 13863541212.

The previous prime is 13863541201. The next prime is 13863541243. The reversal of 13863541213 is 31214536831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7143968484 + 6719572729 = 84522^2 + 81973^2 .

It is a cyclic number.

It is not a de Polignac number, because 13863541213 - 2³³ = 5273606621 is a prime.

It is a super-2 number, since 2×13863541213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13863541243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6931770606 + 6931770607.

It is an arithmetic number, because the mean of its divisors is an integer number (6931770607).

Almost surely, 2^13863541213 is an apocalyptic number.

It is an amenable number.

13863541213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13863541213 is an equidigital number, since it uses as much as digits as its factorization.

13863541213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The spelling of 13863541213 in words is "thirteen billion, eight hundred sixty-three million, five hundred forty-one thousand, two hundred thirteen".