43082518139 has 2 divisors, whose sum is σ = 43082518140. Its totient is φ = 43082518138.

The previous prime is 43082518099. The next prime is 43082518147. The reversal of 43082518139 is 93181528034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43082518139 - 2¹⁶ = 43082452603 is a prime.

It is a super-2 number, since 2×43082518139² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43082518139.

It is not a weakly prime, because it can be changed into another prime (43082518159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21541259069 + 21541259070.

It is an arithmetic number, because the mean of its divisors is an integer number (21541259070).

Almost surely, 2^43082518139 is an apocalyptic number.

43082518139 is a deficient number, since it is larger than the sum of its proper divisors (1).

43082518139 is an equidigital number, since it uses as much as digits as its factorization.

43082518139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 43082518139 in words is "forty-three billion, eighty-two million, five hundred eighteen thousand, one hundred thirty-nine".