4256033641 has 4 divisors (see below), whose sum is σ = 4265863252. Its totient is φ = 4246204032.

The previous prime is 4256033627. The next prime is 4256033651. The reversal of 4256033641 is 1463306524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213744400 + 4042289241 = 14620^2 + 63579^2 .

It is a cyclic number.

It is not a de Polignac number, because 4256033641 - 2⁷ = 4256033513 is a prime.

It is a super-2 number, since 2×4256033641² = 36227644706647433762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4256033597 and 4256033606.

It is not an unprimeable number, because it can be changed into a prime (4256033651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914156 + ... + 4915021.

It is an arithmetic number, because the mean of its divisors is an integer number (1066465813).

Almost surely, 2^4256033641 is an apocalyptic number.

It is an amenable number.

4256033641 is a deficient number, since it is larger than the sum of its proper divisors (9829611).

4256033641 is an equidigital number, since it uses as much as digits as its factorization.

4256033641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829610.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 4256033641 is about 65238.2835534474. The cubic root of 4256033641 is about 1620.5720736535.

The spelling of 4256033641 in words is "four billion, two hundred fifty-six million, thirty-three thousand, six hundred forty-one".