2821926568 has 8 divisors (see below), whose sum is σ = 5291112330. Its totient is φ = 1410963280.

The previous prime is 2821926539. The next prime is 2821926581. The reversal of 2821926568 is 8656291282.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2442534084 + 379392484 = 49422^2 + 19478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176370403 + ... + 176370418.

Almost surely, 2^2821926568 is an apocalyptic number.

It is an amenable number.

2821926568 is a deficient number, since it is larger than the sum of its proper divisors (2469185762).

2821926568 is a wasteful number, since it uses less digits than its factorization.

2821926568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352740827 (or 352740823 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 2821926568 is about 53121.8087794458. The cubic root of 2821926568 is about 1413.1293051768.

The spelling of 2821926568 in words is "two billion, eight hundred twenty-one million, nine hundred twenty-six thousand, five hundred sixty-eight".