42226263389 has 2 divisors, whose sum is σ = 42226263390. Its totient is φ = 42226263388.

The previous prime is 42226263371. The next prime is 42226263449. The reversal of 42226263389 is 98336262224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30456183289 + 11770080100 = 174517^2 + 108490^2 .

It is a cyclic number.

It is not a de Polignac number, because 42226263389 - 2⁸ = 42226263133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42226263889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21113131694 + 21113131695.

It is an arithmetic number, because the mean of its divisors is an integer number (21113131695).

Almost surely, 2^42226263389 is an apocalyptic number.

It is an amenable number.

42226263389 is a deficient number, since it is larger than the sum of its proper divisors (1).

42226263389 is an equidigital number, since it uses as much as digits as its factorization.

42226263389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 47.

The spelling of 42226263389 in words is "forty-two billion, two hundred twenty-six million, two hundred sixty-three thousand, three hundred eighty-nine".