14938534511947 has 2 divisors, whose sum is σ = 14938534511948. Its totient is φ = 14938534511946.

The previous prime is 14938534511939. The next prime is 14938534511987. The reversal of 14938534511947 is 74911543583941.

It is a weak prime.

It is an emirp because it is prime and its reverse (74911543583941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14938534511947 - 2³ = 14938534511939 is a prime.

It is not a weakly prime, because it can be changed into another prime (14938534511917) 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, 7469267255973 + 7469267255974.

It is an arithmetic number, because the mean of its divisors is an integer number (7469267255974).

Almost surely, 2^{14938534511947} is an apocalyptic number.

14938534511947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14938534511947 is an equidigital number, since it uses as much as digits as its factorization.

14938534511947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 64.

The spelling of 14938534511947 in words is "fourteen trillion, nine hundred thirty-eight billion, five hundred thirty-four million, five hundred eleven thousand, nine hundred forty-seven".