13405350149 has 2 divisors, whose sum is σ = 13405350150. Its totient is φ = 13405350148.

The previous prime is 13405350097. The next prime is 13405350197. The reversal of 13405350149 is 94105350431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13190522500 + 214827649 = 114850^2 + 14657^2 .

It is an emirp because it is prime and its reverse (94105350431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13405350149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405350449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702675074 + 6702675075.

It is an arithmetic number, because the mean of its divisors is an integer number (6702675075).

Almost surely, 2^13405350149 is an apocalyptic number.

It is an amenable number.

13405350149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405350149 is an equidigital number, since it uses as much as digits as its factorization.

13405350149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 13405350149 in words is "thirteen billion, four hundred five million, three hundred fifty thousand, one hundred forty-nine".