2821215106264 has 8 divisors (see below), whose sum is σ = 5289778324260. Its totient is φ = 1410607553128.

The previous prime is 2821215106261. The next prime is 2821215106271. The reversal of 2821215106264 is 4626015121282.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821215106261) by changing a digit.

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, 176325944134 + ... + 176325944149.

Almost surely, 2^{2821215106264} is an apocalyptic number.

It is an amenable number.

2821215106264 is a deficient number, since it is larger than the sum of its proper divisors (2468563217996).

2821215106264 is a wasteful number, since it uses less digits than its factorization.

2821215106264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352651888289 (or 352651888285 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 2821215106264 in words is "two trillion, eight hundred twenty-one billion, two hundred fifteen million, one hundred six thousand, two hundred sixty-four".