13971774151 has 2 divisors, whose sum is σ = 13971774152. Its totient is φ = 13971774150.

The previous prime is 13971774149. The next prime is 13971774163. The reversal of 13971774151 is 15147717931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13971774151 - 2¹ = 13971774149 is a prime.

Together with 13971774149, 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 (13971274151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6985887075 + 6985887076.

It is an arithmetic number, because the mean of its divisors is an integer number (6985887076).

Almost surely, 2^13971774151 is an apocalyptic number.

13971774151 is a deficient number, since it is larger than the sum of its proper divisors (1).

13971774151 is an equidigital number, since it uses as much as digits as its factorization.

13971774151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 46.

The spelling of 13971774151 in words is "thirteen billion, nine hundred seventy-one million, seven hundred seventy-four thousand, one hundred fifty-one".