47648187187193 has 2 divisors, whose sum is σ = 47648187187194. Its totient is φ = 47648187187192.

The previous prime is 47648187187187. The next prime is 47648187187207. The reversal of 47648187187193 is 39178178184674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41253747176464 + 6394440010729 = 6422908^2 + 2528723^2 .

It is a cyclic number.

It is not a de Polignac number, because 47648187187193 - 2²² = 47648182992889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47648187187193.

It is not a weakly prime, because it can be changed into another prime (47648187187163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23824093593596 + 23824093593597.

It is an arithmetic number, because the mean of its divisors is an integer number (23824093593597).

Almost surely, 2^{47648187187193} is an apocalyptic number.

It is an amenable number.

47648187187193 is a deficient number, since it is larger than the sum of its proper divisors (1).

47648187187193 is an equidigital number, since it uses as much as digits as its factorization.

47648187187193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 455196672, while the sum is 74.

The spelling of 47648187187193 in words is "forty-seven trillion, six hundred forty-eight billion, one hundred eighty-seven million, one hundred eighty-seven thousand, one hundred ninety-three".