52147667137 has 2 divisors, whose sum is σ = 52147667138. Its totient is φ = 52147667136.

The previous prime is 52147667111. The next prime is 52147667167. The reversal of 52147667137 is 73176674125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43450985601 + 8696681536 = 208449^2 + 93256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52147667137 is a prime.

It is not a weakly prime, because it can be changed into another prime (52147667167) 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, 26073833568 + 26073833569.

It is an arithmetic number, because the mean of its divisors is an integer number (26073833569).

Almost surely, 2^52147667137 is an apocalyptic number.

It is an amenable number.

52147667137 is a deficient number, since it is larger than the sum of its proper divisors (1).

52147667137 is an equidigital number, since it uses as much as digits as its factorization.

52147667137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The spelling of 52147667137 in words is "fifty-two billion, one hundred forty-seven million, six hundred sixty-seven thousand, one hundred thirty-seven".