4125216826 has 8 divisors (see below), whose sum is σ = 6188465844. Its totient is φ = 2062394880.

The previous prime is 4125216803. The next prime is 4125216829. The reversal of 4125216826 is 6286125214.

It can be written as a sum of positive squares in 2 ways, for example, as 3770082801 + 355134025 = 61401^2 + 18845^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4125216829) 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 3 ways as a sum of consecutive naturals, for example, 81415 + ... + 121978.

Almost surely, 2^4125216826 is an apocalyptic number.

4125216826 is a deficient number, since it is larger than the sum of its proper divisors (2063249018).

4125216826 is a wasteful number, since it uses less digits than its factorization.

4125216826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213536.

The product of its digits is 46080, while the sum is 37.

The square root of 4125216826 is about 64227.8508592651. The cubic root of 4125216826 is about 1603.7952645799.

The spelling of 4125216826 in words is "four billion, one hundred twenty-five million, two hundred sixteen thousand, eight hundred twenty-six".