4643303806655 has 4 divisors (see below), whose sum is σ = 5571964567992. Its totient is φ = 3714643045320.

The previous prime is 4643303806633. The next prime is 4643303806667. The reversal of 4643303806655 is 5566083033464.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4643303806655 - 2³² = 4639008839359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4643303806597 and 4643303806606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464330380661 + ... + 464330380670.

It is an arithmetic number, because the mean of its divisors is an integer number (1392991141998).

Almost surely, 2^{4643303806655} is an apocalyptic number.

4643303806655 is a deficient number, since it is larger than the sum of its proper divisors (928660761337).

4643303806655 is an equidigital number, since it uses as much as digits as its factorization.

4643303806655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928660761336.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 4643303806655 in words is "four trillion, six hundred forty-three billion, three hundred three million, eight hundred six thousand, six hundred fifty-five".