42221353019 has 2 divisors, whose sum is σ = 42221353020. Its totient is φ = 42221353018.

The previous prime is 42221352961. The next prime is 42221353021. The reversal of 42221353019 is 91035312224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42221353019 is a prime.

It is a super-2 number, since 2×42221353019² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 42221353021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42221353219) 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, 21110676509 + 21110676510.

It is an arithmetic number, because the mean of its divisors is an integer number (21110676510).

Almost surely, 2^42221353019 is an apocalyptic number.

42221353019 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221353019 is an equidigital number, since it uses as much as digits as its factorization.

42221353019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 42221353019 in words is "forty-two billion, two hundred twenty-one million, three hundred fifty-three thousand, nineteen".