4256521683 has 8 divisors (see below), whose sum is σ = 5974065600. Its totient is φ = 2688329448.

The previous prime is 4256521667. The next prime is 4256521747. The reversal of 4256521683 is 3861256524.

4256521683 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4256521683 - 2⁴ = 4256521667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4256521663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37337853 + ... + 37337966.

It is an arithmetic number, because the mean of its divisors is an integer number (746758200).

Almost surely, 2^4256521683 is an apocalyptic number.

4256521683 is a deficient number, since it is larger than the sum of its proper divisors (1717543917).

4256521683 is a wasteful number, since it uses less digits than its factorization.

4256521683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74675841.

The product of its digits is 345600, while the sum is 42.

The square root of 4256521683 is about 65242.0239033094. The cubic root of 4256521683 is about 1620.6340152854.

The spelling of 4256521683 in words is "four billion, two hundred fifty-six million, five hundred twenty-one thousand, six hundred eighty-three".