1881045794836 has 24 divisors (see below), whose sum is σ = 3545103179520. Its totient is φ = 868161430752.

The previous prime is 1881045794741. The next prime is 1881045794839. The reversal of 1881045794836 is 6384975401881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881045794839) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3585825 + ... + 4076791.

It is an arithmetic number, because the mean of its divisors is an integer number (147712632480).

Almost surely, 2^{1881045794836} is an apocalyptic number.

It is an amenable number.

1881045794836 is a deficient number, since it is larger than the sum of its proper divisors (1664057384684).

1881045794836 is a wasteful number, since it uses less digits than its factorization.

1881045794836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564663 (or 564661 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 1881045794836 in words is "one trillion, eight hundred eighty-one billion, forty-five million, seven hundred ninety-four thousand, eight hundred thirty-six".