33125220434 has 4 divisors (see below), whose sum is σ = 49687830654. Its totient is φ = 16562610216.

The previous prime is 33125220413. The next prime is 33125220503. The reversal of 33125220434 is 43402252133.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 17298825625 + 15826394809 = 131525^2 + 125803^2 .

It is a super-2 number, since 2×33125220434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33125220397 and 33125220406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8281305107 + ... + 8281305110.

Almost surely, 2^33125220434 is an apocalyptic number.

33125220434 is a deficient number, since it is larger than the sum of its proper divisors (16562610220).

33125220434 is a wasteful number, since it uses less digits than its factorization.

33125220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562610219.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 33125220434 its reverse (43402252133), we get a palindrome (76527472567).

The spelling of 33125220434 in words is "thirty-three billion, one hundred twenty-five million, two hundred twenty thousand, four hundred thirty-four".