42450005423533 has 4 divisors (see below), whose sum is σ = 42450131187100. Its totient is φ = 42449879659968.

The previous prime is 42450005423513. The next prime is 42450005423557. The reversal of 42450005423533 is 33532450005424.

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 10913099036004 + 31536906387529 = 3303498^2 + 5615773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42450005423533 is a prime.

It is a super-3 number, since 3×42450005423533³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450005423513) 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, 62374110 + ... + 63051007.

It is an arithmetic number, because the mean of its divisors is an integer number (10612532796775).

Almost surely, 2^{42450005423533} is an apocalyptic number.

It is an amenable number.

42450005423533 is a deficient number, since it is larger than the sum of its proper divisors (125763567).

42450005423533 is a wasteful number, since it uses less digits than its factorization.

42450005423533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125763566.

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 42450005423533 its reverse (33532450005424), we get a palindrome (75982455428957).

The spelling of 42450005423533 in words is "forty-two trillion, four hundred fifty billion, five million, four hundred twenty-three thousand, five hundred thirty-three".