43212342319 has 2 divisors, whose sum is σ = 43212342320. Its totient is φ = 43212342318.

The previous prime is 43212342191. The next prime is 43212342343. The reversal of 43212342319 is 91324321234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43212342319 - 2⁷ = 43212342191 is a prime.

It is a super-2 number, since 2×43212342319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43212342389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606171159 + 21606171160.

It is an arithmetic number, because the mean of its divisors is an integer number (21606171160).

Almost surely, 2^43212342319 is an apocalyptic number.

43212342319 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212342319 is an equidigital number, since it uses as much as digits as its factorization.

43212342319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The spelling of 43212342319 in words is "forty-three billion, two hundred twelve million, three hundred forty-two thousand, three hundred nineteen".