342121004430089 has 2 divisors, whose sum is σ = 342121004430090. Its totient is φ = 342121004430088.

The previous prime is 342121004430067. The next prime is 342121004430167. The reversal of 342121004430089 is 980034400121243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342031438904464 + 89565525625 = 18494092^2 + 299275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342121004430089 is a prime.

It is not a weakly prime, because it can be changed into another prime (342121004130089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171060502215044 + 171060502215045.

It is an arithmetic number, because the mean of its divisors is an integer number (171060502215045).

Almost surely, 2^{342121004430089} is an apocalyptic number.

It is an amenable number.

342121004430089 is a deficient number, since it is larger than the sum of its proper divisors (1).

342121004430089 is an equidigital number, since it uses as much as digits as its factorization.

342121004430089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 342121004430089 in words is "three hundred forty-two trillion, one hundred twenty-one billion, four million, four hundred thirty thousand, eighty-nine".