43234234139 has 2 divisors, whose sum is σ = 43234234140. Its totient is φ = 43234234138.

The previous prime is 43234234093. The next prime is 43234234187. The reversal of 43234234139 is 93143243234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43234234139 - 2¹² = 43234230043 is a prime.

It is not a weakly prime, because it can be changed into another prime (43234234039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617117069 + 21617117070.

It is an arithmetic number, because the mean of its divisors is an integer number (21617117070).

Almost surely, 2^43234234139 is an apocalyptic number.

43234234139 is a deficient number, since it is larger than the sum of its proper divisors (1).

43234234139 is an equidigital number, since it uses as much as digits as its factorization.

43234234139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 38.

The spelling of 43234234139 in words is "forty-three billion, two hundred thirty-four million, two hundred thirty-four thousand, one hundred thirty-nine".