42361226321 has 2 divisors, whose sum is σ = 42361226322. Its totient is φ = 42361226320.

The previous prime is 42361226311. The next prime is 42361226339. The reversal of 42361226321 is 12362216324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33164416321 + 9196810000 = 182111^2 + 95900^2 .

It is a cyclic number.

It is not a de Polignac number, because 42361226321 - 2³⁴ = 25181357137 is a prime.

It is not a weakly prime, because it can be changed into another prime (42361226311) 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, 21180613160 + 21180613161.

It is an arithmetic number, because the mean of its divisors is an integer number (21180613161).

Almost surely, 2^42361226321 is an apocalyptic number.

It is an amenable number.

42361226321 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361226321 is an equidigital number, since it uses as much as digits as its factorization.

42361226321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The spelling of 42361226321 in words is "forty-two billion, three hundred sixty-one million, two hundred twenty-six thousand, three hundred twenty-one".