19428536928892 has 24 divisors (see below), whose sum is σ = 41846079539936. Its totient is φ = 7686014609088.

The previous prime is 19428536928811. The next prime is 19428536928893. The reversal of 19428536928892 is 29882963582491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19428536928893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 26687550363 + ... + 26687551090.

Almost surely, 2^{19428536928892} is an apocalyptic number.

It is an amenable number.

19428536928892 is an abundant number, since it is smaller than the sum of its proper divisors (22417542611044).

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

19428536928892 is a wasteful number, since it uses less digits than its factorization.

19428536928892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53375101477 (or 53375101475 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 76.

The spelling of 19428536928892 in words is "nineteen trillion, four hundred twenty-eight billion, five hundred thirty-six million, nine hundred twenty-eight thousand, eight hundred ninety-two".