2821643036 has 24 divisors (see below), whose sum is σ = 5167911840. Its totient is φ = 1345462272.

The previous prime is 2821643029. The next prime is 2821643063. The reversal of 2821643036 is 6303461282.

2821643036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2821642987 and 2821643005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14501 + ... + 76508.

It is an arithmetic number, because the mean of its divisors is an integer number (215329660).

Almost surely, 2^2821643036 is an apocalyptic number.

It is an amenable number.

2821643036 is a deficient number, since it is larger than the sum of its proper divisors (2346268804).

2821643036 is a wasteful number, since it uses less digits than its factorization.

2821643036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91373 (or 91371 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2821643036 is about 53119.1400156290. The cubic root of 2821643036 is about 1413.0819757149.

The spelling of 2821643036 in words is "two billion, eight hundred twenty-one million, six hundred forty-three thousand, thirty-six".