43424042140939 has 2 divisors, whose sum is σ = 43424042140940. Its totient is φ = 43424042140938.

The previous prime is 43424042140931. The next prime is 43424042141023. The reversal of 43424042140939 is 93904124042434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43424042140939 - 2³ = 43424042140931 is a prime.

It is a super-2 number, since 2×43424042140939² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43424042140892 and 43424042140901.

It is not a weakly prime, because it can be changed into another prime (43424042140931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712021070469 + 21712021070470.

It is an arithmetic number, because the mean of its divisors is an integer number (21712021070470).

Almost surely, 2^{43424042140939} is an apocalyptic number.

43424042140939 is a deficient number, since it is larger than the sum of its proper divisors (1).

43424042140939 is an equidigital number, since it uses as much as digits as its factorization.

43424042140939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 43424042140939 in words is "forty-three trillion, four hundred twenty-four billion, forty-two million, one hundred forty thousand, nine hundred thirty-nine".