43194474047 has 2 divisors, whose sum is σ = 43194474048. Its totient is φ = 43194474046.

The previous prime is 43194473989. The next prime is 43194474077. The reversal of 43194474047 is 74047449134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43194474047 - 2¹⁸ = 43194211903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43194473992 and 43194474010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43194474077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21597237023 + 21597237024.

It is an arithmetic number, because the mean of its divisors is an integer number (21597237024).

Almost surely, 2^43194474047 is an apocalyptic number.

43194474047 is a deficient number, since it is larger than the sum of its proper divisors (1).

43194474047 is an equidigital number, since it uses as much as digits as its factorization.

43194474047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 43194474047 in words is "forty-three billion, one hundred ninety-four million, four hundred seventy-four thousand, forty-seven".