33772382642 has 8 divisors (see below), whose sum is σ = 50661787932. Its totient is φ = 16885120000.

The previous prime is 33772382639. The next prime is 33772382687. The reversal of 33772382642 is 24628327733.

It can be written as a sum of positive squares in 2 ways, for example, as 31962645961 + 1809736681 = 178781^2 + 42541^2 .

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

It is a super-2 number, since 2×33772382642² (a number of 22 digits) contains 22 as substring.

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, 495659 + ... + 559662.

Almost surely, 2^33772382642 is an apocalyptic number.

33772382642 is a deficient number, since it is larger than the sum of its proper divisors (16889405290).

33772382642 is a wasteful number, since it uses less digits than its factorization.

33772382642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071324.

The product of its digits is 2032128, while the sum is 47.

The spelling of 33772382642 in words is "thirty-three billion, seven hundred seventy-two million, three hundred eighty-two thousand, six hundred forty-two".