47318281943 has 2 divisors, whose sum is σ = 47318281944. Its totient is φ = 47318281942.

The previous prime is 47318281873. The next prime is 47318281957. The reversal of 47318281943 is 34918281374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47318281943 - 2³⁰ = 46244540119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47318281891 and 47318281900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47318281973) 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, 23659140971 + 23659140972.

It is an arithmetic number, because the mean of its divisors is an integer number (23659140972).

Almost surely, 2^47318281943 is an apocalyptic number.

47318281943 is a deficient number, since it is larger than the sum of its proper divisors (1).

47318281943 is an equidigital number, since it uses as much as digits as its factorization.

47318281943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The spelling of 47318281943 in words is "forty-seven billion, three hundred eighteen million, two hundred eighty-one thousand, nine hundred forty-three".