4221623852654 has 16 divisors (see below), whose sum is σ = 7220696002128. Its totient is φ = 1833827555712.

The previous prime is 4221623852651. The next prime is 4221623852687. The reversal of 4221623852654 is 4562583261224.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221623852651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4775592152 + ... + 4775593035.

It is an arithmetic number, because the mean of its divisors is an integer number (451293500133).

Almost surely, 2^{4221623852654} is an apocalyptic number.

4221623852654 is a deficient number, since it is larger than the sum of its proper divisors (2999072149474).

4221623852654 is a wasteful number, since it uses less digits than its factorization.

4221623852654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551185219.

The product of its digits is 5529600, while the sum is 50.

The spelling of 4221623852654 in words is "four trillion, two hundred twenty-one billion, six hundred twenty-three million, eight hundred fifty-two thousand, six hundred fifty-four".