13354748549 has 2 divisors, whose sum is σ = 13354748550. Its totient is φ = 13354748548.

The previous prime is 13354748507. The next prime is 13354748579. The reversal of 13354748549 is 94584745331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7628799649 + 5725948900 = 87343^2 + 75670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13354748549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13354748549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13354748579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6677374274 + 6677374275.

It is an arithmetic number, because the mean of its divisors is an integer number (6677374275).

Almost surely, 2^13354748549 is an apocalyptic number.

It is an amenable number.

13354748549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13354748549 is an equidigital number, since it uses as much as digits as its factorization.

13354748549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 53.

The spelling of 13354748549 in words is "thirteen billion, three hundred fifty-four million, seven hundred forty-eight thousand, five hundred forty-nine".