47636031816641 has 2 divisors, whose sum is σ = 47636031816642. Its totient is φ = 47636031816640.

The previous prime is 47636031816613. The next prime is 47636031816661. The reversal of 47636031816641 is 14661813063674.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32109902233600 + 15526129583041 = 5666560^2 + 3940321^2 .

It is a cyclic number.

It is not a de Polignac number, because 47636031816641 - 2¹⁸ = 47636031554497 is a prime.

It is not a weakly prime, because it can be changed into another prime (47636031816601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23818015908320 + 23818015908321.

It is an arithmetic number, because the mean of its divisors is an integer number (23818015908321).

Almost surely, 2^{47636031816641} is an apocalyptic number.

It is an amenable number.

47636031816641 is a deficient number, since it is larger than the sum of its proper divisors (1).

47636031816641 is an equidigital number, since it uses as much as digits as its factorization.

47636031816641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 47636031816641 in words is "forty-seven trillion, six hundred thirty-six billion, thirty-one million, eight hundred sixteen thousand, six hundred forty-one".