4721766443 has 2 divisors, whose sum is σ = 4721766444. Its totient is φ = 4721766442.

The previous prime is 4721766253. The next prime is 4721766461. The reversal of 4721766443 is 3446671274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4721766443 - 2³⁰ = 3648024619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4721766394 and 4721766403.

It is not a weakly prime, because it can be changed into another prime (4721766493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360883221 + 2360883222.

It is an arithmetic number, because the mean of its divisors is an integer number (2360883222).

Almost surely, 2^4721766443 is an apocalyptic number.

4721766443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721766443 is an equidigital number, since it uses as much as digits as its factorization.

4721766443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 44.

The square root of 4721766443 is about 68715.1107326474. The cubic root of 4721766443 is about 1677.6505379950.

The spelling of 4721766443 in words is "four billion, seven hundred twenty-one million, seven hundred sixty-six thousand, four hundred forty-three".