47636566562647 has 2 divisors, whose sum is σ = 47636566562648. Its totient is φ = 47636566562646.

The previous prime is 47636566562621. The next prime is 47636566562653. The reversal of 47636566562647 is 74626566563674.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47636566562647 - 2¹¹ = 47636566560599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47636566562647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47636566562687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23818283281323 + 23818283281324.

It is an arithmetic number, because the mean of its divisors is an integer number (23818283281324).

Almost surely, 2^{47636566562647} is an apocalyptic number.

47636566562647 is a deficient number, since it is larger than the sum of its proper divisors (1).

47636566562647 is an equidigital number, since it uses as much as digits as its factorization.

47636566562647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5486745600, while the sum is 73.

The spelling of 47636566562647 in words is "forty-seven trillion, six hundred thirty-six billion, five hundred sixty-six million, five hundred sixty-two thousand, six hundred forty-seven".