2821001366818 has 16 divisors (see below), whose sum is σ = 4267136018880. Its totient is φ = 1398647415600.

The previous prime is 2821001366803. The next prime is 2821001366837. The reversal of 2821001366818 is 8186631001282.

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, 5951718 + ... + 6408193.

It is an arithmetic number, because the mean of its divisors is an integer number (266696001180).

Almost surely, 2^{2821001366818} is an apocalyptic number.

2821001366818 is a deficient number, since it is larger than the sum of its proper divisors (1446134652062).

2821001366818 is a wasteful number, since it uses less digits than its factorization.

2821001366818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360873.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 2821001366818 in words is "two trillion, eight hundred twenty-one billion, one million, three hundred sixty-six thousand, eight hundred eighteen".