43412140019 has 2 divisors, whose sum is σ = 43412140020. Its totient is φ = 43412140018.

The previous prime is 43412139989. The next prime is 43412140043. The reversal of 43412140019 is 91004121434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43412140019 - 2⁸ = 43412139763 is a prime.

It is a super-2 number, since 2×43412140019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43412139973 and 43412140000.

It is not a weakly prime, because it can be changed into another prime (43412140619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21706070009 + 21706070010.

It is an arithmetic number, because the mean of its divisors is an integer number (21706070010).

Almost surely, 2^43412140019 is an apocalyptic number.

43412140019 is a deficient number, since it is larger than the sum of its proper divisors (1).

43412140019 is an equidigital number, since it uses as much as digits as its factorization.

43412140019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 43412140019 in words is "forty-three billion, four hundred twelve million, one hundred forty thousand, nineteen".