47213780664047 has 2 divisors, whose sum is σ = 47213780664048. Its totient is φ = 47213780664046.

The previous prime is 47213780664019. The next prime is 47213780664067. The reversal of 47213780664047 is 74046608731274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47213780664047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47213780664007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23606890332023 + 23606890332024.

It is an arithmetic number, because the mean of its divisors is an integer number (23606890332024).

Almost surely, 2^{47213780664047} is an apocalyptic number.

47213780664047 is a deficient number, since it is larger than the sum of its proper divisors (1).

47213780664047 is an equidigital number, since it uses as much as digits as its factorization.

47213780664047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37933056, while the sum is 59.

The spelling of 47213780664047 in words is "forty-seven trillion, two hundred thirteen billion, seven hundred eighty million, six hundred sixty-four thousand, forty-seven".