42305554133 has 2 divisors, whose sum is σ = 42305554134. Its totient is φ = 42305554132.

The previous prime is 42305554129. The next prime is 42305554139. The reversal of 42305554133 is 33145550324.

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., 41543407684 + 762146449 = 203822^2 + 27607^2 .

It is a cyclic number.

It is not a de Polignac number, because 42305554133 - 2² = 42305554129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42305554093 and 42305554102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42305554139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21152777066 + 21152777067.

It is an arithmetic number, because the mean of its divisors is an integer number (21152777067).

Almost surely, 2^42305554133 is an apocalyptic number.

It is an amenable number.

42305554133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42305554133 is an equidigital number, since it uses as much as digits as its factorization.

42305554133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 42305554133 in words is "forty-two billion, three hundred five million, five hundred fifty-four thousand, one hundred thirty-three".