43473545347 has 2 divisors, whose sum is σ = 43473545348. Its totient is φ = 43473545346.

The previous prime is 43473545333. The next prime is 43473545363. The reversal of 43473545347 is 74354537434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43473545347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43473545347.

It is not a weakly prime, because it can be changed into another prime (43473545147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736772673 + 21736772674.

It is an arithmetic number, because the mean of its divisors is an integer number (21736772674).

Almost surely, 2^43473545347 is an apocalyptic number.

43473545347 is a deficient number, since it is larger than the sum of its proper divisors (1).

43473545347 is an equidigital number, since it uses as much as digits as its factorization.

43473545347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 49.

The spelling of 43473545347 in words is "forty-three billion, four hundred seventy-three million, five hundred forty-five thousand, three hundred forty-seven".