47636566563871 has 2 divisors, whose sum is σ = 47636566563872. Its totient is φ = 47636566563870.

The previous prime is 47636566563869. The next prime is 47636566563877. The reversal of 47636566563871 is 17836566563674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47636566563871 - 2¹ = 47636566563869 is a prime.

It is a super-2 number, since 2×47636566563871² (a number of 28 digits) contains 22 as substring.

Together with 47636566563869, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47636566563794 and 47636566563803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47636566563877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23818283281935 + 23818283281936.

It is an arithmetic number, because the mean of its divisors is an integer number (23818283281936).

Almost surely, 2^{47636566563871} is an apocalyptic number.

47636566563871 is a deficient number, since it is larger than the sum of its proper divisors (1).

47636566563871 is an equidigital number, since it uses as much as digits as its factorization.

47636566563871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2743372800, while the sum is 73.

The spelling of 47636566563871 in words is "forty-seven trillion, six hundred thirty-six billion, five hundred sixty-six million, five hundred sixty-three thousand, eight hundred seventy-one".