13569099149 has 2 divisors, whose sum is σ = 13569099150. Its totient is φ = 13569099148.

The previous prime is 13569099121. The next prime is 13569099157. The reversal of 13569099149 is 94199096531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13183173124 + 385926025 = 114818^2 + 19645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13569099149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13569099094 and 13569099103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13569099119) 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, 6784549574 + 6784549575.

It is an arithmetic number, because the mean of its divisors is an integer number (6784549575).

Almost surely, 2^13569099149 is an apocalyptic number.

It is an amenable number.

13569099149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13569099149 is an equidigital number, since it uses as much as digits as its factorization.

13569099149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2361960, while the sum is 56.

The spelling of 13569099149 in words is "thirteen billion, five hundred sixty-nine million, ninety-nine thousand, one hundred forty-nine".