4125802821 has 8 divisors (see below), whose sum is σ = 6286937664. Its totient is φ = 2357601600.

The previous prime is 4125802801. The next prime is 4125802841. The reversal of 4125802821 is 1282085214.

It is an interprime number because it is at equal distance from previous prime (4125802801) and next prime (4125802841).

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

It is not a de Polignac number, because 4125802821 - 2⁷ = 4125802693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125802801) 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, 98233380 + ... + 98233421.

It is an arithmetic number, because the mean of its divisors is an integer number (785867208).

Almost surely, 2^4125802821 is an apocalyptic number.

It is an amenable number.

4125802821 is a deficient number, since it is larger than the sum of its proper divisors (2161134843).

4125802821 is a wasteful number, since it uses less digits than its factorization.

4125802821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196466811.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 4125802821 is about 64232.4125422672. The cubic root of 4125802821 is about 1603.8712017203.

The spelling of 4125802821 in words is "four billion, one hundred twenty-five million, eight hundred two thousand, eight hundred twenty-one".