4728167681653 has 4 divisors (see below), whose sum is σ = 5091872887948. Its totient is φ = 4364462475360.

The previous prime is 4728167681623. The next prime is 4728167681663. The reversal of 4728167681653 is 3561867618274.

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 852966767844 + 3875200913809 = 923562^2 + 1968553^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4728167681653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728167681623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181852603128 + ... + 181852603153.

It is an arithmetic number, because the mean of its divisors is an integer number (1272968221987).

Almost surely, 2^{4728167681653} is an apocalyptic number.

It is an amenable number.

4728167681653 is a deficient number, since it is larger than the sum of its proper divisors (363705206295).

4728167681653 is a wasteful number, since it uses less digits than its factorization.

4728167681653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363705206294.

The product of its digits is 81285120, while the sum is 64.

The spelling of 4728167681653 in words is "four trillion, seven hundred twenty-eight billion, one hundred sixty-seven million, six hundred eighty-one thousand, six hundred fifty-three".