4873320218665 has 4 divisors (see below), whose sum is σ = 5847984262404. Its totient is φ = 3898656174928.

The previous prime is 4873320218567. The next prime is 4873320218671. The reversal of 4873320218665 is 5668120233784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3515703750441 + 1357616468224 = 1875021^2 + 1165168^2 .

It is a cyclic number.

It is not a de Polignac number, because 4873320218665 - 2⁴¹ = 2674296963113 is a prime.

It is a Duffinian 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, 487332021862 + ... + 487332021871.

It is an arithmetic number, because the mean of its divisors is an integer number (1461996065601).

Almost surely, 2^{4873320218665} is an apocalyptic number.

It is an amenable number.

4873320218665 is a deficient number, since it is larger than the sum of its proper divisors (974664043739).

4873320218665 is an equidigital number, since it uses as much as digits as its factorization.

4873320218665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974664043738.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 4873320218665 in words is "four trillion, eight hundred seventy-three billion, three hundred twenty million, two hundred eighteen thousand, six hundred sixty-five".