4221875600646 has 32 divisors (see below), whose sum is σ = 9213759929088. Its totient is φ = 1279023606240.

The previous prime is 4221875600533. The next prime is 4221875600651. The reversal of 4221875600646 is 6460065781224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8060085 + ... + 8567888.

It is an arithmetic number, because the mean of its divisors is an integer number (287929997784).

Almost surely, 2^{4221875600646} is an apocalyptic number.

4221875600646 is an abundant number, since it is smaller than the sum of its proper divisors (4991884328442).

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

4221875600646 is a wasteful number, since it uses less digits than its factorization.

4221875600646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16631836.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 4221875600646 in words is "four trillion, two hundred twenty-one billion, eight hundred seventy-five million, six hundred thousand, six hundred forty-six".