33219128872 has 32 divisors (see below), whose sum is σ = 63643910400. Its totient is φ = 16247784384.

The previous prime is 33219128867. The next prime is 33219128903. The reversal of 33219128872 is 27882191233.

It is a super-2 number, since 2×33219128872² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741133 + ... + 784675.

It is an arithmetic number, because the mean of its divisors is an integer number (1988872200).

Almost surely, 2^33219128872 is an apocalyptic number.

It is an amenable number.

33219128872 is a deficient number, since it is larger than the sum of its proper divisors (30424781528).

33219128872 is a wasteful number, since it uses less digits than its factorization.

33219128872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625 (or 45621 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The spelling of 33219128872 in words is "thirty-three billion, two hundred nineteen million, one hundred twenty-eight thousand, eight hundred seventy-two".