17828948212 has 12 divisors (see below), whose sum is σ = 31231960900. Its totient is φ = 8905530816.

The previous prime is 17828948173. The next prime is 17828948233. The reversal of 17828948212 is 21284982871.

It can be written as a sum of positive squares in 2 ways, for example, as 15917859556 + 1911088656 = 126166^2 + 43716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17828948212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231337 + ... + 2239312.

Almost surely, 2^17828948212 is an apocalyptic number.

It is an amenable number.

17828948212 is a deficient number, since it is larger than the sum of its proper divisors (13403012688).

17828948212 is a wasteful number, since it uses less digits than its factorization.

17828948212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471650 (or 4471648 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The spelling of 17828948212 in words is "seventeen billion, eight hundred twenty-eight million, nine hundred forty-eight thousand, two hundred twelve".