4278193028 has 6 divisors (see below), whose sum is σ = 7486837806. Its totient is φ = 2139096512.

The previous prime is 4278192991. The next prime is 4278193033. The reversal of 4278193028 is 8203918724.

It can be written as a sum of positive squares in only one way, i.e., 4276113664 + 2079364 = 65392^2 + 1442^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4278193028.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 534774125 + ... + 534774132.

It is an arithmetic number, because the mean of its divisors is an integer number (1247806301).

Almost surely, 2^4278193028 is an apocalyptic number.

It is an amenable number.

4278193028 is a deficient number, since it is larger than the sum of its proper divisors (3208644778).

4278193028 is a wasteful number, since it uses less digits than its factorization.

4278193028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069548261 (or 1069548259 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 4278193028 is about 65407.8972907706. The cubic root of 4278193028 is about 1623.3797534560.

The spelling of 4278193028 in words is "four billion, two hundred seventy-eight million, one hundred ninety-three thousand, twenty-eight".