4140342043 has 2 divisors, whose sum is σ = 4140342044. Its totient is φ = 4140342042.

The previous prime is 4140342013. The next prime is 4140342053. The reversal of 4140342043 is 3402430414.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140342043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4140341999 and 4140342017.

It is not a weakly prime, because it can be changed into another prime (4140342013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070171021 + 2070171022.

It is an arithmetic number, because the mean of its divisors is an integer number (2070171022).

Almost surely, 2^4140342043 is an apocalyptic number.

4140342043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140342043 is an equidigital number, since it uses as much as digits as its factorization.

4140342043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4140342043 is about 64345.4896865351. The cubic root of 4140342043 is about 1605.7529931418.

Adding to 4140342043 its reverse (3402430414), we get a palindrome (7542772457).

The spelling of 4140342043 in words is "four billion, one hundred forty million, three hundred forty-two thousand, forty-three".