342605531366243 has 2 divisors, whose sum is σ = 342605531366244. Its totient is φ = 342605531366242.

The previous prime is 342605531366173. The next prime is 342605531366251. The reversal of 342605531366243 is 342663135506243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342605531366243 - 2³⁴ = 342588351497059 is a prime.

It is a super-2 number, since 2×342605531366243² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342605531366843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171302765683121 + 171302765683122.

It is an arithmetic number, because the mean of its divisors is an integer number (171302765683122).

Almost surely, 2^{342605531366243} is an apocalyptic number.

342605531366243 is a deficient number, since it is larger than the sum of its proper divisors (1).

342605531366243 is an equidigital number, since it uses as much as digits as its factorization.

342605531366243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27993600, while the sum is 53.

The spelling of 342605531366243 in words is "three hundred forty-two trillion, six hundred five billion, five hundred thirty-one million, three hundred sixty-six thousand, two hundred forty-three".