43047173046173 has 2 divisors, whose sum is σ = 43047173046174. Its totient is φ = 43047173046172.

The previous prime is 43047173046167. The next prime is 43047173046239. The reversal of 43047173046173 is 37164037174034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28409187820729 + 14637985225444 = 5330027^2 + 3825962^2 .

It is a cyclic number.

It is not a de Polignac number, because 43047173046173 - 2³⁸ = 42772295139229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43047173046133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21523586523086 + 21523586523087.

It is an arithmetic number, because the mean of its divisors is an integer number (21523586523087).

Almost surely, 2^{43047173046173} is an apocalyptic number.

It is an amenable number.

43047173046173 is a deficient number, since it is larger than the sum of its proper divisors (1).

43047173046173 is an equidigital number, since it uses as much as digits as its factorization.

43047173046173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 43047173046173 in words is "forty-three trillion, forty-seven billion, one hundred seventy-three million, forty-six thousand, one hundred seventy-three".