1933661642028 has 48 divisors (see below), whose sum is σ = 4617044885376. Its totient is φ = 629531481600.

The previous prime is 1933661642009. The next prime is 1933661642051. The reversal of 1933661642028 is 8202461663391.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11059375 + ... + 11232857.

It is an arithmetic number, because the mean of its divisors is an integer number (96188435112).

Almost surely, 2^{1933661642028} is an apocalyptic number.

It is an amenable number.

1933661642028 is an abundant number, since it is smaller than the sum of its proper divisors (2683383243348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1933661642028 is a wasteful number, since it uses less digits than its factorization.

1933661642028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195134 (or 195132 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 1933661642028 in words is "one trillion, nine hundred thirty-three billion, six hundred sixty-one million, six hundred forty-two thousand, twenty-eight".