33543420242 has 8 divisors (see below), whose sum is σ = 50319627516. Its totient is φ = 16770211072.

The previous prime is 33543420193. The next prime is 33543420283. The reversal of 33543420242 is 24202434533.

It can be written as a sum of positive squares in 2 ways, for example, as 33339473281 + 203946961 = 182591^2 + 14281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33543420242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33543420199 and 33543420208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721343 + ... + 766434.

Almost surely, 2^33543420242 is an apocalyptic number.

33543420242 is a deficient number, since it is larger than the sum of its proper divisors (16776207274).

33543420242 is a wasteful number, since it uses less digits than its factorization.

33543420242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499052.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 33543420242 its reverse (24202434533), we get a palindrome (57745854775).

The spelling of 33543420242 in words is "thirty-three billion, five hundred forty-three million, four hundred twenty thousand, two hundred forty-two".