43130443049 has 2 divisors, whose sum is σ = 43130443050. Its totient is φ = 43130443048.

The previous prime is 43130443043. The next prime is 43130443117. The reversal of 43130443049 is 94034403134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42890410000 + 240033049 = 207100^2 + 15493^2 .

It is a cyclic number.

It is not a de Polignac number, because 43130443049 - 2⁴ = 43130443033 is a prime.

It is not a weakly prime, because it can be changed into another prime (43130443043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565221524 + 21565221525.

It is an arithmetic number, because the mean of its divisors is an integer number (21565221525).

Almost surely, 2^43130443049 is an apocalyptic number.

It is an amenable number.

43130443049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130443049 is an equidigital number, since it uses as much as digits as its factorization.

43130443049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 43130443049 in words is "forty-three billion, one hundred thirty million, four hundred forty-three thousand, forty-nine".