47943013871 has 2 divisors, whose sum is σ = 47943013872. Its totient is φ = 47943013870.

The previous prime is 47943013843. The next prime is 47943013901. The reversal of 47943013871 is 17831034974.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47943013871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47943013801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23971506935 + 23971506936.

It is an arithmetic number, because the mean of its divisors is an integer number (23971506936).

Almost surely, 2^47943013871 is an apocalyptic number.

47943013871 is a deficient number, since it is larger than the sum of its proper divisors (1).

47943013871 is an equidigital number, since it uses as much as digits as its factorization.

47943013871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 47943013871 in words is "forty-seven billion, nine hundred forty-three million, thirteen thousand, eight hundred seventy-one".