43130221139 has 2 divisors, whose sum is σ = 43130221140. Its totient is φ = 43130221138.

The previous prime is 43130221117. The next prime is 43130221159. The reversal of 43130221139 is 93112203134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43130221139 - 2⁸ = 43130220883 is a prime.

It is not a weakly prime, because it can be changed into another prime (43130221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21565110569 + 21565110570.

It is an arithmetic number, because the mean of its divisors is an integer number (21565110570).

Almost surely, 2^43130221139 is an apocalyptic number.

43130221139 is a deficient number, since it is larger than the sum of its proper divisors (1).

43130221139 is an equidigital number, since it uses as much as digits as its factorization.

43130221139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 43130221139 in words is "forty-three billion, one hundred thirty million, two hundred twenty-one thousand, one hundred thirty-nine".