2821873039608 has 128 divisors (see below), whose sum is σ = 8336295198720. Its totient is φ = 778955114880.

The previous prime is 2821873039591. The next prime is 2821873039613. The reversal of 2821873039608 is 8069303781282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2714935 + ... + 3607577.

It is an arithmetic number, because the mean of its divisors is an integer number (65127306240).

Almost surely, 2^{2821873039608} is an apocalyptic number.

2821873039608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2821873039608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4168147599360).

2821873039608 is an abundant number, since it is smaller than the sum of its proper divisors (5514422159112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2821873039608 is a wasteful number, since it uses less digits than its factorization.

2821873039608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893297 (or 893293 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 2821873039608 in words is "two trillion, eight hundred twenty-one billion, eight hundred seventy-three million, thirty-nine thousand, six hundred eight".