42425356133 has 4 divisors (see below), whose sum is σ = 42442514028. Its totient is φ = 42408198240.

The previous prime is 42425356109. The next prime is 42425356151. The reversal of 42425356133 is 33165352424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28987446049 + 13437910084 = 170257^2 + 115922^2 .

It is a cyclic number.

It is not a de Polignac number, because 42425356133 - 2¹² = 42425352037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425356163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8575238 + ... + 8580183.

It is an arithmetic number, because the mean of its divisors is an integer number (10610628507).

Almost surely, 2^42425356133 is an apocalyptic number.

It is an amenable number.

42425356133 is a deficient number, since it is larger than the sum of its proper divisors (17157895).

42425356133 is a wasteful number, since it uses less digits than its factorization.

42425356133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157894.

The product of its digits is 259200, while the sum is 38.

The spelling of 42425356133 in words is "forty-two billion, four hundred twenty-five million, three hundred fifty-six thousand, one hundred thirty-three".