342185479799 has 2 divisors, whose sum is σ = 342185479800. Its totient is φ = 342185479798.

The previous prime is 342185479739. The next prime is 342185479813. The reversal of 342185479799 is 997974581243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342185479799 - 2¹² = 342185475703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342185479739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171092739899 + 171092739900.

It is an arithmetic number, because the mean of its divisors is an integer number (171092739900).

Almost surely, 2^342185479799 is an apocalyptic number.

342185479799 is a deficient number, since it is larger than the sum of its proper divisors (1).

342185479799 is an equidigital number, since it uses as much as digits as its factorization.

342185479799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 68.

The spelling of 342185479799 in words is "three hundred forty-two billion, one hundred eighty-five million, four hundred seventy-nine thousand, seven hundred ninety-nine".