47383218791 has 2 divisors, whose sum is σ = 47383218792. Its totient is φ = 47383218790.

The previous prime is 47383218787. The next prime is 47383218811. The reversal of 47383218791 is 19781238374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47383218791 - 2² = 47383218787 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47383218391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23691609395 + 23691609396.

It is an arithmetic number, because the mean of its divisors is an integer number (23691609396).

Almost surely, 2^47383218791 is an apocalyptic number.

47383218791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47383218791 is an equidigital number, since it uses as much as digits as its factorization.

47383218791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 53.

The spelling of 47383218791 in words is "forty-seven billion, three hundred eighty-three million, two hundred eighteen thousand, seven hundred ninety-one".