193873028388 has 48 divisors (see below), whose sum is σ = 495425232960. Its totient is φ = 58642164864.

The previous prime is 193873028347. The next prime is 193873028407. The reversal of 193873028388 is 883820378391.

193873028388 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×193873028388² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10522795 + ... + 10541202.

It is an arithmetic number, because the mean of its divisors is an integer number (10321359020).

Almost surely, 2^193873028388 is an apocalyptic number.

It is an amenable number.

193873028388 is an abundant number, since it is smaller than the sum of its proper divisors (301552204572).

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

193873028388 is a wasteful number, since it uses less digits than its factorization.

193873028388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064076 (or 21064074 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 193873028388 in words is "one hundred ninety-three billion, eight hundred seventy-three million, twenty-eight thousand, three hundred eighty-eight".