42343066034261 has 2 divisors, whose sum is σ = 42343066034262. Its totient is φ = 42343066034260.

The previous prime is 42343066034201. The next prime is 42343066034327. The reversal of 42343066034261 is 16243066034324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40692789228100 + 1650276806161 = 6379090^2 + 1284631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42343066034261 is a prime.

It is a super-2 number, since 2×42343066034261² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42343066034201) 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, 21171533017130 + 21171533017131.

It is an arithmetic number, because the mean of its divisors is an integer number (21171533017131).

Almost surely, 2^{42343066034261} is an apocalyptic number.

It is an amenable number.

42343066034261 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343066034261 is an equidigital number, since it uses as much as digits as its factorization.

42343066034261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 42343066034261 in words is "forty-two trillion, three hundred forty-three billion, sixty-six million, thirty-four thousand, two hundred sixty-one".