4028916625 has 8 divisors (see below), whose sum is σ = 5028088104. Its totient is φ = 3223133200.

The previous prime is 4028916623. The next prime is 4028916679. The reversal of 4028916625 is 5266198204.

It can be written as a sum of positive squares in 4 ways, for example, as 221841 + 4028694784 = 471^2 + 63472^2 .

It is not a de Polignac number, because 4028916625 - 2¹ = 4028916623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028916623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16115542 + ... + 16115791.

It is an arithmetic number, because the mean of its divisors is an integer number (628511013).

Almost surely, 2^4028916625 is an apocalyptic number.

It is an amenable number.

4028916625 is a deficient number, since it is larger than the sum of its proper divisors (999171479).

4028916625 is an equidigital number, since it uses as much as digits as its factorization.

4028916625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32231348 (or 32231338 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 4028916625 is about 63473.7475260442. The cubic root of 4028916625 is about 1591.2170612570.

The spelling of 4028916625 in words is "four billion, twenty-eight million, nine hundred sixteen thousand, six hundred twenty-five".