2193403112928 has 144 divisors (see below), whose sum is σ = 6511781517696. Its totient is φ = 699013244160.

The previous prime is 2193403112899. The next prime is 2193403112939. The reversal of 2193403112928 is 8292113043912.

2193403112928 is a `hidden beast` number, since 2 + 1 + 9 + 3 + 40 + 311 + 292 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×2193403112928² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14038051 + ... + 14193437.

It is an arithmetic number, because the mean of its divisors is an integer number (45220704984).

Almost surely, 2^{2193403112928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193403112928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255890758848).

2193403112928 is an abundant number, since it is smaller than the sum of its proper divisors (4318378404768).

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

2193403112928 is a wasteful number, since it uses less digits than its factorization.

2193403112928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157557 (or 157546 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 2193403112928 in words is "two trillion, one hundred ninety-three billion, four hundred three million, one hundred twelve thousand, nine hundred twenty-eight".