4689271988857 has 4 divisors (see below), whose sum is σ = 4741960438260. Its totient is φ = 4636583539456.

The previous prime is 4689271988783. The next prime is 4689271988861. The reversal of 4689271988857 is 7588891729864.

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 1141262753401 + 3548009235456 = 1068299^2 + 1883616^2 .

It is a cyclic number.

It is not a de Polignac number, because 4689271988857 - 2⁷ = 4689271988729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4689271986857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26344224568 + ... + 26344224745.

It is an arithmetic number, because the mean of its divisors is an integer number (1185490109565).

Almost surely, 2^{4689271988857} is an apocalyptic number.

It is an amenable number.

4689271988857 is a deficient number, since it is larger than the sum of its proper divisors (52688449403).

4689271988857 is an equidigital number, since it uses as much as digits as its factorization.

4689271988857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52688449402.

The product of its digits is 3901685760, while the sum is 82.

The spelling of 4689271988857 in words is "four trillion, six hundred eighty-nine billion, two hundred seventy-one million, nine hundred eighty-eight thousand, eight hundred fifty-seven".