43234411273 has 2 divisors, whose sum is σ = 43234411274. Its totient is φ = 43234411272.

The previous prime is 43234411267. The next prime is 43234411309. The reversal of 43234411273 is 37211443234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39659925904 + 3574485369 = 199148^2 + 59787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43234411273 is a prime.

It is not a weakly prime, because it can be changed into another prime (43234411223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617205636 + 21617205637.

It is an arithmetic number, because the mean of its divisors is an integer number (21617205637).

Almost surely, 2^43234411273 is an apocalyptic number.

It is an amenable number.

43234411273 is a deficient number, since it is larger than the sum of its proper divisors (1).

43234411273 is an equidigital number, since it uses as much as digits as its factorization.

43234411273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The spelling of 43234411273 in words is "forty-three billion, two hundred thirty-four million, four hundred eleven thousand, two hundred seventy-three".