43478081147 has 2 divisors, whose sum is σ = 43478081148. Its totient is φ = 43478081146.

The previous prime is 43478081137. The next prime is 43478081161. The reversal of 43478081147 is 74118087434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43478081147 - 2⁴ = 43478081131 is a prime.

It is not a weakly prime, because it can be changed into another prime (43478081107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21739040573 + 21739040574.

It is an arithmetic number, because the mean of its divisors is an integer number (21739040574).

Almost surely, 2^43478081147 is an apocalyptic number.

43478081147 is a deficient number, since it is larger than the sum of its proper divisors (1).

43478081147 is an equidigital number, since it uses as much as digits as its factorization.

43478081147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 43478081147 in words is "forty-three billion, four hundred seventy-eight million, eighty-one thousand, one hundred forty-seven".