4593781966 has 16 divisors (see below), whose sum is σ = 6922253520. Its totient is φ = 2286376960.

The previous prime is 4593781963. The next prime is 4593781967. The reversal of 4593781966 is 6691873954.

It is a super-2 number, since 2×4593781966² = 42205665502293650312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4593781966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4593781963) 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, 1200336 + ... + 1204156.

It is an arithmetic number, because the mean of its divisors is an integer number (432640845).

Almost surely, 2^4593781966 is an apocalyptic number.

4593781966 is a deficient number, since it is larger than the sum of its proper divisors (2328471554).

4593781966 is a wasteful number, since it uses less digits than its factorization.

4593781966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419.

The product of its digits is 9797760, while the sum is 58.

The square root of 4593781966 is about 67777.4443749541. Note that the first 3 decimals coincide. The cubic root of 4593781966 is about 1662.3537961466.

The spelling of 4593781966 in words is "four billion, five hundred ninety-three million, seven hundred eighty-one thousand, nine hundred sixty-six".