342212387857 has 2 divisors, whose sum is σ = 342212387858. Its totient is φ = 342212387856.

The previous prime is 342212387831. The next prime is 342212387899. The reversal of 342212387857 is 758783212243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341084032576 + 1128355281 = 584024^2 + 33591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342212387857 is a prime.

It is not a weakly prime, because it can be changed into another prime (342212387827) 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, 171106193928 + 171106193929.

It is an arithmetic number, because the mean of its divisors is an integer number (171106193929).

Almost surely, 2^342212387857 is an apocalyptic number.

It is an amenable number.

342212387857 is a deficient number, since it is larger than the sum of its proper divisors (1).

342212387857 is an equidigital number, since it uses as much as digits as its factorization.

342212387857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 52.

The spelling of 342212387857 in words is "three hundred forty-two billion, two hundred twelve million, three hundred eighty-seven thousand, eight hundred fifty-seven".