42044004043 has 2 divisors, whose sum is σ = 42044004044. Its totient is φ = 42044004042.

The previous prime is 42044004007. The next prime is 42044004049. The reversal of 42044004043 is 34040044024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42044004043 - 2⁹ = 42044003531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42044003999 and 42044004017.

It is not a weakly prime, because it can be changed into another prime (42044004049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022002021 + 21022002022.

It is an arithmetic number, because the mean of its divisors is an integer number (21022002022).

Almost surely, 2^42044004043 is an apocalyptic number.

42044004043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044004043 is an equidigital number, since it uses as much as digits as its factorization.

42044004043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 42044004043 its reverse (34040044024), we get a palindrome (76084048067).

The spelling of 42044004043 in words is "forty-two billion, forty-four million, four thousand, forty-three".