13514645549 has 2 divisors, whose sum is σ = 13514645550. Its totient is φ = 13514645548.

The previous prime is 13514645519. The next prime is 13514645609. The reversal of 13514645549 is 94554641531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12695655625 + 818989924 = 112675^2 + 28618^2 .

It is a cyclic number.

It is not a de Polignac number, because 13514645549 - 2³² = 9219678253 is a prime.

It is a super-2 number, since 2×13514645549² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13514645519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6757322774 + 6757322775.

It is an arithmetic number, because the mean of its divisors is an integer number (6757322775).

Almost surely, 2^13514645549 is an apocalyptic number.

It is an amenable number.

13514645549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13514645549 is an equidigital number, since it uses as much as digits as its factorization.

13514645549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The spelling of 13514645549 in words is "thirteen billion, five hundred fourteen million, six hundred forty-five thousand, five hundred forty-nine".