1893752821140 has 96 divisors (see below), whose sum is σ = 5554582145280. Its totient is φ = 481164558336.

The previous prime is 1893752821139. The next prime is 1893752821153. The reversal of 1893752821140 is 411282573981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2315155 + ... + 3024474.

It is an arithmetic number, because the mean of its divisors is an integer number (57860230680).

Almost surely, 2^{1893752821140} is an apocalyptic number.

1893752821140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1893752821140 is an abundant number, since it is smaller than the sum of its proper divisors (3660829324140).

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

1893752821140 is a wasteful number, since it uses less digits than its factorization.

1893752821140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339921 (or 5339919 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 1893752821140 in words is "one trillion, eight hundred ninety-three billion, seven hundred fifty-two million, eight hundred twenty-one thousand, one hundred forty".