43143590219 has 2 divisors, whose sum is σ = 43143590220. Its totient is φ = 43143590218.

The previous prime is 43143590197. The next prime is 43143590309. The reversal of 43143590219 is 91209534134.

43143590219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43143590219 is a prime.

It is a super-2 number, since 2×43143590219² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (43143590419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571795109 + 21571795110.

It is an arithmetic number, because the mean of its divisors is an integer number (21571795110).

Almost surely, 2^43143590219 is an apocalyptic number.

43143590219 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143590219 is an equidigital number, since it uses as much as digits as its factorization.

43143590219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 43143590219 in words is "forty-three billion, one hundred forty-three million, five hundred ninety thousand, two hundred nineteen".