1896242331812 has 12 divisors (see below), whose sum is σ = 3381035856156. Its totient is φ = 930232087200.

The previous prime is 1896242331773. The next prime is 1896242331839. The reversal of 1896242331812 is 2181332426981.

It can be written as a sum of positive squares in 2 ways, for example, as 535510749796 + 1360731582016 = 731786^2 + 1166504^2 .

It is a super-2 number, since 2×1896242331812² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4472269439 + ... + 4472269862.

It is an arithmetic number, because the mean of its divisors is an integer number (281752988013).

Almost surely, 2^{1896242331812} is an apocalyptic number.

It is an amenable number.

1896242331812 is a deficient number, since it is larger than the sum of its proper divisors (1484793524344).

1896242331812 is a wasteful number, since it uses less digits than its factorization.

1896242331812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944539358 (or 8944539356 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The spelling of 1896242331812 in words is "one trillion, eight hundred ninety-six billion, two hundred forty-two million, three hundred thirty-one thousand, eight hundred twelve".