4643206428556 has 24 divisors (see below), whose sum is σ = 8514080888544. Its totient is φ = 2211449560320.

The previous prime is 4643206428551. The next prime is 4643206428583. The reversal of 4643206428556 is 6558246023464.

It is a junction number, because it is equal to n+sod(n) for n = 4643206428497 and 4643206428506.

It is not an unprimeable number, because it can be changed into a prime (4643206428551) 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, 104686615 + ... + 104730958.

It is an arithmetic number, because the mean of its divisors is an integer number (354753370356).

Almost surely, 2^{4643206428556} is an apocalyptic number.

4643206428556 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4643206428556 is a deficient number, since it is larger than the sum of its proper divisors (3870874459988).

4643206428556 is a wasteful number, since it uses less digits than its factorization.

4643206428556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209417841 (or 209417839 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 55.

The spelling of 4643206428556 in words is "four trillion, six hundred forty-three billion, two hundred six million, four hundred twenty-eight thousand, five hundred fifty-six".