4256953666 has 64 divisors (see below), whose sum is σ = 7889633280. Its totient is φ = 1682556480.

The previous prime is 4256953639. The next prime is 4256953669. The reversal of 4256953666 is 6663596524.

It is not an unprimeable number, because it can be changed into a prime (4256953669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3463140 + ... + 3464368.

It is an arithmetic number, because the mean of its divisors is an integer number (123275520).

Almost surely, 2^4256953666 is an apocalyptic number.

4256953666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4256953666 is a deficient number, since it is larger than the sum of its proper divisors (3632679614).

4256953666 is a wasteful number, since it uses less digits than its factorization.

4256953666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its digits is 6998400, while the sum is 52.

The square root of 4256953666 is about 65245.3344385635. The cubic root of 4256953666 is about 1620.6888380346.

The spelling of 4256953666 in words is "four billion, two hundred fifty-six million, nine hundred fifty-three thousand, six hundred sixty-six".