42002422433 has 2 divisors, whose sum is σ = 42002422434. Its totient is φ = 42002422432.

The previous prime is 42002422391. The next prime is 42002422471. The reversal of 42002422433 is 33422420024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39349863424 + 2652559009 = 198368^2 + 51503^2 .

It is a cyclic number.

It is not a de Polignac number, because 42002422433 - 2⁸ = 42002422177 is a prime.

It is not a weakly prime, because it can be changed into another prime (42002425433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001211216 + 21001211217.

It is an arithmetic number, because the mean of its divisors is an integer number (21001211217).

Almost surely, 2^42002422433 is an apocalyptic number.

It is an amenable number.

42002422433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42002422433 is an equidigital number, since it uses as much as digits as its factorization.

42002422433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42002422433 its reverse (33422420024), we get a palindrome (75424842457).

The spelling of 42002422433 in words is "forty-two billion, two million, four hundred twenty-two thousand, four hundred thirty-three".