591989042812 has 6 divisors (see below), whose sum is σ = 1035980824928. Its totient is φ = 295994521404.

The previous prime is 591989042789. The next prime is 591989042819. The reversal of 591989042812 is 218240989195.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (591989042819) by changing a digit.

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 as a sum of consecutive naturals, namely, 73998630348 + ... + 73998630355.

Almost surely, 2^591989042812 is an apocalyptic number.

It is an amenable number.

591989042812 is a deficient number, since it is larger than the sum of its proper divisors (443991782116).

591989042812 is a wasteful number, since it uses less digits than its factorization.

591989042812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147997260707 (or 147997260705 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 591989042812 in words is "five hundred ninety-one billion, nine hundred eighty-nine million, forty-two thousand, eight hundred twelve".