13568741929 has 2 divisors, whose sum is σ = 13568741930. Its totient is φ = 13568741928.

The previous prime is 13568741917. The next prime is 13568741987. The reversal of 13568741929 is 92914786531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12582781929 + 985960000 = 112173^2 + 31400^2 .

It is a cyclic number.

It is not a de Polignac number, because 13568741929 - 2¹¹ = 13568739881 is a prime.

It is a super-2 number, since 2×13568741929² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13568741929.

It is not a weakly prime, because it can be changed into another prime (13568744929) 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, 6784370964 + 6784370965.

It is an arithmetic number, because the mean of its divisors is an integer number (6784370965).

Almost surely, 2^13568741929 is an apocalyptic number.

It is an amenable number.

13568741929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13568741929 is an equidigital number, since it uses as much as digits as its factorization.

13568741929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 55.

The spelling of 13568741929 in words is "thirteen billion, five hundred sixty-eight million, seven hundred forty-one thousand, nine hundred twenty-nine".