14197012549 has 2 divisors, whose sum is σ = 14197012550. Its totient is φ = 14197012548.

The previous prime is 14197012547. The next prime is 14197012603. The reversal of 14197012549 is 94521079141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7873900225 + 6323112324 = 88735^2 + 79518^2 .

It is a cyclic number.

It is not a de Polignac number, because 14197012549 - 2¹ = 14197012547 is a prime.

Together with 14197012547, 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 (14197012541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7098506274 + 7098506275.

It is an arithmetic number, because the mean of its divisors is an integer number (7098506275).

Almost surely, 2^14197012549 is an apocalyptic number.

It is an amenable number.

14197012549 is a deficient number, since it is larger than the sum of its proper divisors (1).

14197012549 is an equidigital number, since it uses as much as digits as its factorization.

14197012549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 14197012549 in words is "fourteen billion, one hundred ninety-seven million, twelve thousand, five hundred forty-nine".