2821906342606 has 48 divisors (see below), whose sum is σ = 4689005915664. Its totient is φ = 1266124608000.

The previous prime is 2821906342583. The next prime is 2821906342669. The reversal of 2821906342606 is 6062436091282.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2821906342606.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 12166501 + ... + 12396271.

It is an arithmetic number, because the mean of its divisors is an integer number (97687623243).

Almost surely, 2^{2821906342606} is an apocalyptic number.

2821906342606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2821906342606 is a deficient number, since it is larger than the sum of its proper divisors (1867099573058).

2821906342606 is a wasteful number, since it uses less digits than its factorization.

2821906342606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230149 (or 230108 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 2821906342606 in words is "two trillion, eight hundred twenty-one billion, nine hundred six million, three hundred forty-two thousand, six hundred six".