42041031029 has 2 divisors, whose sum is σ = 42041031030. Its totient is φ = 42041031028.

The previous prime is 42041031013. The next prime is 42041031049. The reversal of 42041031029 is 92013014024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42024180004 + 16851025 = 204998^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 42041031029 - 2⁴ = 42041031013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42041030989 and 42041031007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42041031049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020515514 + 21020515515.

It is an arithmetic number, because the mean of its divisors is an integer number (21020515515).

Almost surely, 2^42041031029 is an apocalyptic number.

It is an amenable number.

42041031029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041031029 is an equidigital number, since it uses as much as digits as its factorization.

42041031029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 42041031029 in words is "forty-two billion, forty-one million, thirty-one thousand, twenty-nine".