342322287661 has 2 divisors, whose sum is σ = 342322287662. Its totient is φ = 342322287660.

The previous prime is 342322287607. The next prime is 342322287691. The reversal of 342322287661 is 166782223243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269354772036 + 72967515625 = 518994^2 + 270125^2 .

It is a cyclic number.

It is not a de Polignac number, because 342322287661 - 2²⁵ = 342288733229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342322287691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171161143830 + 171161143831.

It is an arithmetic number, because the mean of its divisors is an integer number (171161143831).

Almost surely, 2^342322287661 is an apocalyptic number.

It is an amenable number.

342322287661 is a deficient number, since it is larger than the sum of its proper divisors (1).

342322287661 is an equidigital number, since it uses as much as digits as its factorization.

342322287661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 46.

The spelling of 342322287661 in words is "three hundred forty-two billion, three hundred twenty-two million, two hundred eighty-seven thousand, six hundred sixty-one".