42811383233 has 2 divisors, whose sum is σ = 42811383234. Its totient is φ = 42811383232.

The previous prime is 42811383193. The next prime is 42811383341. The reversal of 42811383233 is 33238311824.

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., 39534164224 + 3277219009 = 198832^2 + 57247^2 .

It is a cyclic number.

It is not a de Polignac number, because 42811383233 - 2¹⁰ = 42811382209 is a prime.

It is not a weakly prime, because it can be changed into another prime (42811583233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21405691616 + 21405691617.

It is an arithmetic number, because the mean of its divisors is an integer number (21405691617).

Almost surely, 2^42811383233 is an apocalyptic number.

It is an amenable number.

42811383233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42811383233 is an equidigital number, since it uses as much as digits as its factorization.

42811383233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The spelling of 42811383233 in words is "forty-two billion, eight hundred eleven million, three hundred eighty-three thousand, two hundred thirty-three".