13749087871 has 2 divisors, whose sum is σ = 13749087872. Its totient is φ = 13749087870.

The previous prime is 13749087851. The next prime is 13749087893. The reversal of 13749087871 is 17878094731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13749087871 - 2²⁹ = 13212216959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13749087851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6874543935 + 6874543936.

It is an arithmetic number, because the mean of its divisors is an integer number (6874543936).

Almost surely, 2^13749087871 is an apocalyptic number.

13749087871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13749087871 is an equidigital number, since it uses as much as digits as its factorization.

13749087871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 13749087871 in words is "thirteen billion, seven hundred forty-nine million, eighty-seven thousand, eight hundred seventy-one".