451185785996 has 12 divisors (see below), whose sum is σ = 861354682440. Its totient is φ = 205084448160.

The previous prime is 451185785989. The next prime is 451185786011. The reversal of 451185785996 is 699587581154.

It is a super-2 number, since 2×451185785996² (a number of 24 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, 5127111161 + ... + 5127111248.

It is an arithmetic number, because the mean of its divisors is an integer number (71779556870).

Almost surely, 2^451185785996 is an apocalyptic number.

It is an amenable number.

451185785996 is a deficient number, since it is larger than the sum of its proper divisors (410168896444).

451185785996 is a wasteful number, since it uses less digits than its factorization.

451185785996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254222424 (or 10254222422 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 68.

The spelling of 451185785996 in words is "four hundred fifty-one billion, one hundred eighty-five million, seven hundred eighty-five thousand, nine hundred ninety-six".