279042843428 has 6 divisors (see below), whose sum is σ = 488324976006. Its totient is φ = 139521421712.

The previous prime is 279042843413. The next prime is 279042843463. The reversal of 279042843428 is 824348240972.

It can be written as a sum of positive squares in only one way, i.e., 165688074304 + 113354769124 = 407048^2 + 336682^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 279042843428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34880355425 + ... + 34880355432.

It is an arithmetic number, because the mean of its divisors is an integer number (81387496001).

Almost surely, 2^279042843428 is an apocalyptic number.

It is an amenable number.

279042843428 is a deficient number, since it is larger than the sum of its proper divisors (209282132578).

279042843428 is a wasteful number, since it uses less digits than its factorization.

279042843428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69760710861 (or 69760710859 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 279042843428 in words is "two hundred seventy-nine billion, forty-two million, eight hundred forty-three thousand, four hundred twenty-eight".