43160321797 has 2 divisors, whose sum is σ = 43160321798. Its totient is φ = 43160321796.

The previous prime is 43160321749. The next prime is 43160321807. The reversal of 43160321797 is 79712306134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36605638276 + 6554683521 = 191326^2 + 80961^2 .

It is a cyclic number.

It is not a de Polignac number, because 43160321797 - 2¹⁹ = 43159797509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43160321297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21580160898 + 21580160899.

It is an arithmetic number, because the mean of its divisors is an integer number (21580160899).

Almost surely, 2^43160321797 is an apocalyptic number.

It is an amenable number.

43160321797 is a deficient number, since it is larger than the sum of its proper divisors (1).

43160321797 is an equidigital number, since it uses as much as digits as its factorization.

43160321797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 43160321797 in words is "forty-three billion, one hundred sixty million, three hundred twenty-one thousand, seven hundred ninety-seven".