43140069043 has 2 divisors, whose sum is σ = 43140069044. Its totient is φ = 43140069042.

The previous prime is 43140069029. The next prime is 43140069083. The reversal of 43140069043 is 34096004134.

43140069043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43140069043 - 2²⁵ = 43106514611 is a prime.

It is a super-2 number, since 2×43140069043² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43140069013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21570034521 + 21570034522.

It is an arithmetic number, because the mean of its divisors is an integer number (21570034522).

Almost surely, 2^43140069043 is an apocalyptic number.

43140069043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43140069043 is an equidigital number, since it uses as much as digits as its factorization.

43140069043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 43140069043 in words is "forty-three billion, one hundred forty million, sixty-nine thousand, forty-three".