47378566943 has 2 divisors, whose sum is σ = 47378566944. Its totient is φ = 47378566942.

The previous prime is 47378566919. The next prime is 47378566969. The reversal of 47378566943 is 34966587374.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47378566943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47378566043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23689283471 + 23689283472.

It is an arithmetic number, because the mean of its divisors is an integer number (23689283472).

Almost surely, 2^47378566943 is an apocalyptic number.

47378566943 is a deficient number, since it is larger than the sum of its proper divisors (1).

47378566943 is an equidigital number, since it uses as much as digits as its factorization.

47378566943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 62.

The spelling of 47378566943 in words is "forty-seven billion, three hundred seventy-eight million, five hundred sixty-six thousand, nine hundred forty-three".