42421241029 has 2 divisors, whose sum is σ = 42421241030. Its totient is φ = 42421241028.

The previous prime is 42421240949. The next prime is 42421241033. The reversal of 42421241029 is 92014212424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28968720804 + 13452520225 = 170202^2 + 115985^2 .

It is a cyclic number.

It is not a de Polignac number, because 42421241029 - 2¹³ = 42421232837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42421241039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21210620514 + 21210620515.

It is an arithmetic number, because the mean of its divisors is an integer number (21210620515).

Almost surely, 2^42421241029 is an apocalyptic number.

It is an amenable number.

42421241029 is a deficient number, since it is larger than the sum of its proper divisors (1).

42421241029 is an equidigital number, since it uses as much as digits as its factorization.

42421241029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 42421241029 in words is "forty-two billion, four hundred twenty-one million, two hundred forty-one thousand, twenty-nine".