43130221499 has 2 divisors, whose sum is σ = 43130221500. Its totient is φ = 43130221498.

The previous prime is 43130221487. The next prime is 43130221571. The reversal of 43130221499 is 99412203134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43130221499 - 2²⁰ = 43129172923 is a prime.

It is not a weakly prime, because it can be changed into another prime (43130227499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565110749 + 21565110750.

It is an arithmetic number, because the mean of its divisors is an integer number (21565110750).

Almost surely, 2^43130221499 is an apocalyptic number.

43130221499 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130221499 is an equidigital number, since it uses as much as digits as its factorization.

43130221499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 43130221499 in words is "forty-three billion, one hundred thirty million, two hundred twenty-one thousand, four hundred ninety-nine".