2193791093928 has 96 divisors (see below), whose sum is σ = 6853766736960. Its totient is φ = 620939520000.

The previous prime is 2193791093909. The next prime is 2193791093981. The reversal of 2193791093928 is 8293901973912.

2193791093928 is a `hidden beast` number, since 219 + 379 + 10 + 9 + 39 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 20286073 + ... + 20393928.

It is an arithmetic number, because the mean of its divisors is an integer number (71393403510).

Almost surely, 2^{2193791093928} is an apocalyptic number.

2193791093928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2193791093928 is an abundant number, since it is smaller than the sum of its proper divisors (4659975643032).

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

2193791093928 is a wasteful number, since it uses less digits than its factorization.

2193791093928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40680127 (or 40680120 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 2193791093928 in words is "two trillion, one hundred ninety-three billion, seven hundred ninety-one million, ninety-three thousand, nine hundred twenty-eight".