3138568686271 has 2 divisors, whose sum is σ = 3138568686272. Its totient is φ = 3138568686270.

The previous prime is 3138568686269. The next prime is 3138568686349. The reversal of 3138568686271 is 1726868658313.

It is a weak prime.

It is an emirp because it is prime and its reverse (1726868658313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3138568686271 - 2¹ = 3138568686269 is a prime.

It is a super-2 number, since 2×3138568686271² (a number of 26 digits) contains 22 as substring.

Together with 3138568686269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138568680271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569284343135 + 1569284343136.

It is an arithmetic number, because the mean of its divisors is an integer number (1569284343136).

Almost surely, 2^{3138568686271} is an apocalyptic number.

3138568686271 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138568686271 is an equidigital number, since it uses as much as digits as its factorization.

3138568686271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69672960, while the sum is 64.

The spelling of 3138568686271 in words is "three trillion, one hundred thirty-eight billion, five hundred sixty-eight million, six hundred eighty-six thousand, two hundred seventy-one".