42221412379 has 2 divisors, whose sum is σ = 42221412380. Its totient is φ = 42221412378.

The previous prime is 42221412341. The next prime is 42221412383. The reversal of 42221412379 is 97321412224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42221412379 - 2⁹ = 42221411867 is a prime.

It is not a weakly prime, because it can be changed into another prime (42221412319) 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, 21110706189 + 21110706190.

It is an arithmetic number, because the mean of its divisors is an integer number (21110706190).

Almost surely, 2^42221412379 is an apocalyptic number.

42221412379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221412379 is an equidigital number, since it uses as much as digits as its factorization.

42221412379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The spelling of 42221412379 in words is "forty-two billion, two hundred twenty-one million, four hundred twelve thousand, three hundred seventy-nine".