42043263390833 has 2 divisors, whose sum is σ = 42043263390834. Its totient is φ = 42043263390832.

The previous prime is 42043263390827. The next prime is 42043263390871. The reversal of 42043263390833 is 33809336234024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25909810268224 + 16133453122609 = 5090168^2 + 4016647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42043263390833 is a prime.

It is not a weakly prime, because it can be changed into another prime (42043263390803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021631695416 + 21021631695417.

It is an arithmetic number, because the mean of its divisors is an integer number (21021631695417).

Almost surely, 2^{42043263390833} is an apocalyptic number.

It is an amenable number.

42043263390833 is a deficient number, since it is larger than the sum of its proper divisors (1).

42043263390833 is an equidigital number, since it uses as much as digits as its factorization.

42043263390833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 50.

The spelling of 42043263390833 in words is "forty-two trillion, forty-three billion, two hundred sixty-three million, three hundred ninety thousand, eight hundred thirty-three".