13147538291 has 2 divisors, whose sum is σ = 13147538292. Its totient is φ = 13147538290.

The previous prime is 13147538269. The next prime is 13147538351. The reversal of 13147538291 is 19283574131.

It is a weak prime.

It is an emirp because it is prime and its reverse (19283574131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13147538291 is a prime.

It is a super-2 number, since 2×13147538291² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13147538191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6573769145 + 6573769146.

It is an arithmetic number, because the mean of its divisors is an integer number (6573769146).

Almost surely, 2^13147538291 is an apocalyptic number.

13147538291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13147538291 is an equidigital number, since it uses as much as digits as its factorization.

13147538291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 13147538291 in words is "thirteen billion, one hundred forty-seven million, five hundred thirty-eight thousand, two hundred ninety-one".