342221209937 has 2 divisors, whose sum is σ = 342221209938. Its totient is φ = 342221209936.

The previous prime is 342221209907. The next prime is 342221210011. The reversal of 342221209937 is 739902122243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309323956561 + 32897253376 = 556169^2 + 181376^2 .

It is a cyclic number.

It is not a de Polignac number, because 342221209937 - 2⁶ = 342221209873 is a prime.

It is not a weakly prime, because it can be changed into another prime (342221209907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171110604968 + 171110604969.

It is an arithmetic number, because the mean of its divisors is an integer number (171110604969).

Almost surely, 2^342221209937 is an apocalyptic number.

It is an amenable number.

342221209937 is a deficient number, since it is larger than the sum of its proper divisors (1).

342221209937 is an equidigital number, since it uses as much as digits as its factorization.

342221209937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 342221209937 in words is "three hundred forty-two billion, two hundred twenty-one million, two hundred nine thousand, nine hundred thirty-seven".