4028669812 has 6 divisors (see below), whose sum is σ = 7050172178. Its totient is φ = 2014334904.

The previous prime is 4028669803. The next prime is 4028669819. The reversal of 4028669812 is 2189668204.

It can be written as a sum of positive squares in only one way, i.e., 2947838436 + 1080831376 = 54294^2 + 32876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028669819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503583723 + ... + 503583730.

Almost surely, 2^4028669812 is an apocalyptic number.

It is an amenable number.

4028669812 is a deficient number, since it is larger than the sum of its proper divisors (3021502366).

4028669812 is a wasteful number, since it uses less digits than its factorization.

4028669812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007167457 (or 1007167455 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 4028669812 is about 63471.8032830327. The cubic root of 4028669812 is about 1591.1845677347.

The spelling of 4028669812 in words is "four billion, twenty-eight million, six hundred sixty-nine thousand, eight hundred twelve".