427968033818 has 16 divisors (see below), whose sum is σ = 692982954720. Its totient is φ = 197052285936.

The previous prime is 427968033817. The next prime is 427968033841. The reversal of 427968033818 is 818330869724.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (427968033811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631480 + ... + 19653267.

It is an arithmetic number, because the mean of its divisors is an integer number (43311434670).

Almost surely, 2^427968033818 is an apocalyptic number.

427968033818 is a deficient number, since it is larger than the sum of its proper divisors (265014920902).

427968033818 is a wasteful number, since it uses less digits than its factorization.

427968033818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39285181.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 427968033818 in words is "four hundred twenty-seven billion, nine hundred sixty-eight million, thirty-three thousand, eight hundred eighteen".