13869331213 has 2 divisors, whose sum is σ = 13869331214. Its totient is φ = 13869331212.

The previous prime is 13869331183. The next prime is 13869331253. The reversal of 13869331213 is 31213396831.

It is an a-pointer prime, because the next prime (13869331253) can be obtained adding 13869331213 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6960064329 + 6909266884 = 83427^2 + 83122^2 .

It is a cyclic number.

It is not a de Polignac number, because 13869331213 - 2¹³ = 13869323021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13869331253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934665606 + 6934665607.

It is an arithmetic number, because the mean of its divisors is an integer number (6934665607).

Almost surely, 2^13869331213 is an apocalyptic number.

It is an amenable number.

13869331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13869331213 is an equidigital number, since it uses as much as digits as its factorization.

13869331213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The spelling of 13869331213 in words is "thirteen billion, eight hundred sixty-nine million, three hundred thirty-one thousand, two hundred thirteen".