42041442029 has 2 divisors, whose sum is σ = 42041442030. Its totient is φ = 42041442028.

The previous prime is 42041441999. The next prime is 42041442041. The reversal of 42041442029 is 92024414024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41821068004 + 220374025 = 204502^2 + 14845^2 .

It is a cyclic number.

It is not a de Polignac number, because 42041442029 - 2¹⁶ = 42041376493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42041441986 and 42041442004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42041442229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020721014 + 21020721015.

It is an arithmetic number, because the mean of its divisors is an integer number (21020721015).

Almost surely, 2^42041442029 is an apocalyptic number.

It is an amenable number.

42041442029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041442029 is an equidigital number, since it uses as much as digits as its factorization.

42041442029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 42041442029 in words is "forty-two billion, forty-one million, four hundred forty-two thousand, twenty-nine".