4554643143621 has 8 divisors (see below), whose sum is σ = 6072934042944. Its totient is φ = 3036390503360.

The previous prime is 4554643143607. The next prime is 4554643143653. The reversal of 4554643143621 is 1263413464554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4554643143621 - 2⁷ = 4554643143493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4554643141621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9285825 + ... + 9764006.

It is an arithmetic number, because the mean of its divisors is an integer number (759116755368).

Almost surely, 2^{4554643143621} is an apocalyptic number.

It is an amenable number.

4554643143621 is a deficient number, since it is larger than the sum of its proper divisors (1518290899323).

4554643143621 is a wasteful number, since it uses less digits than its factorization.

4554643143621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19129531.

The product of its digits is 4147200, while the sum is 48.

The spelling of 4554643143621 in words is "four trillion, five hundred fifty-four billion, six hundred forty-three million, one hundred forty-three thousand, six hundred twenty-one".