4643231993856 has 819 divisors, whose sum is σ = 14761342492689. Its totient is φ = 1459620642816.

The previous prime is 4643231993833. The next prime is 4643231993893. The reversal of 4643231993856 is 6583991323464.

The square root of 4643231993856 is 2154816.

It is a perfect power (a square), and thus also a powerful number.

4643231993856 is a `hidden beast` number, since 4 + 6 + 43 + 23 + 199 + 385 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2434798227456 + 2208433766400 = 1560384^2 + 1486080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4643231993793 and 4643231993802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 107982139371 + ... + 107982139413.

Almost surely, 2^{4643231993856} is an apocalyptic number.

4643231993856 is the 2154816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643231993856

4643231993856 is an abundant number, since it is smaller than the sum of its proper divisors (10118110498833).

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

4643231993856 is an frugal number, since it uses more digits than its factorization.

4643231993856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 77 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 63.

The spelling of 4643231993856 in words is "four trillion, six hundred forty-three billion, two hundred thirty-one million, nine hundred ninety-three thousand, eight hundred fifty-six".