42004231433 has 2 divisors, whose sum is σ = 42004231434. Its totient is φ = 42004231432.

The previous prime is 42004231429. The next prime is 42004231439. The reversal of 42004231433 is 33413240024.

42004231433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26255989369 + 15748242064 = 162037^2 + 125492^2 .

It is a cyclic number.

It is not a de Polignac number, because 42004231433 - 2² = 42004231429 is a prime.

It is not a weakly prime, because it can be changed into another prime (42004231439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002115716 + 21002115717.

It is an arithmetic number, because the mean of its divisors is an integer number (21002115717).

Almost surely, 2^42004231433 is an apocalyptic number.

It is an amenable number.

42004231433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42004231433 is an equidigital number, since it uses as much as digits as its factorization.

42004231433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 42004231433 its reverse (33413240024), we get a palindrome (75417471457).

The spelling of 42004231433 in words is "forty-two billion, four million, two hundred thirty-one thousand, four hundred thirty-three".