47414847791 has 2 divisors, whose sum is σ = 47414847792. Its totient is φ = 47414847790.

The previous prime is 47414847769. The next prime is 47414847869. The reversal of 47414847791 is 19774841474.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47414847791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47414847731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23707423895 + 23707423896.

It is an arithmetic number, because the mean of its divisors is an integer number (23707423896).

Almost surely, 2^47414847791 is an apocalyptic number.

47414847791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47414847791 is an equidigital number, since it uses as much as digits as its factorization.

47414847791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6322176, while the sum is 56.

The spelling of 47414847791 in words is "forty-seven billion, four hundred fourteen million, eight hundred forty-seven thousand, seven hundred ninety-one".