13867390871 has 2 divisors, whose sum is σ = 13867390872. Its totient is φ = 13867390870.

The previous prime is 13867390837. The next prime is 13867390877. The reversal of 13867390871 is 17809376831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13867390871 is a prime.

It is a super-3 number, since 3×13867390871³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13867390877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6933695435 + 6933695436.

It is an arithmetic number, because the mean of its divisors is an integer number (6933695436).

Almost surely, 2^13867390871 is an apocalyptic number.

13867390871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13867390871 is an equidigital number, since it uses as much as digits as its factorization.

13867390871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 13867390871 in words is "thirteen billion, eight hundred sixty-seven million, three hundred ninety thousand, eight hundred seventy-one".