947412943 has 2 divisors, whose sum is σ = 947412944. Its totient is φ = 947412942.

The previous prime is 947412923. The next prime is 947413003. The reversal of 947412943 is 349214749.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 947412943 - 2¹³ = 947404751 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 947412943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947412923) 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, 473706471 + 473706472.

It is an arithmetic number, because the mean of its divisors is an integer number (473706472).

Almost surely, 2^947412943 is an apocalyptic number.

947412943 is a deficient number, since it is larger than the sum of its proper divisors (1).

947412943 is an equidigital number, since it uses as much as digits as its factorization.

947412943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 947412943 is about 30780.0737978323. The cubic root of 947412943 is about 982.1544103283.

The spelling of 947412943 in words is "nine hundred forty-seven million, four hundred twelve thousand, nine hundred forty-three".