42012423413 has 2 divisors, whose sum is σ = 42012423414. Its totient is φ = 42012423412.

The previous prime is 42012423379. The next prime is 42012423437. The reversal of 42012423413 is 31432421024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37768812964 + 4243610449 = 194342^2 + 65143^2 .

It is a cyclic number.

It is not a de Polignac number, because 42012423413 - 2¹⁴ = 42012407029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42012423443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21006211706 + 21006211707.

It is an arithmetic number, because the mean of its divisors is an integer number (21006211707).

Almost surely, 2^42012423413 is an apocalyptic number.

It is an amenable number.

42012423413 is a deficient number, since it is larger than the sum of its proper divisors (1).

42012423413 is an equidigital number, since it uses as much as digits as its factorization.

42012423413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42012423413 its reverse (31432421024), we get a palindrome (73444844437).

The spelling of 42012423413 in words is "forty-two billion, twelve million, four hundred twenty-three thousand, four hundred thirteen".