33268198821 has 32 divisors (see below), whose sum is σ = 54378196992. Its totient is φ = 17802375360.

The previous prime is 33268198819. The next prime is 33268198871. The reversal of 33268198821 is 12889186233.

It is not a de Polignac number, because 33268198821 - 2¹ = 33268198819 is a prime.

It is a super-2 number, since 2×33268198821² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33268198871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675965 + ... + 1695698.

It is an arithmetic number, because the mean of its divisors is an integer number (1699318656).

Almost surely, 2^33268198821 is an apocalyptic number.

It is an amenable number.

33268198821 is a deficient number, since it is larger than the sum of its proper divisors (21109998171).

33268198821 is a wasteful number, since it uses less digits than its factorization.

33268198821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371713.

The product of its digits is 995328, while the sum is 51.

The spelling of 33268198821 in words is "thirty-three billion, two hundred sixty-eight million, one hundred ninety-eight thousand, eight hundred twenty-one".