4868841657 has 4 divisors (see below), whose sum is σ = 6491788880. Its totient is φ = 3245894436.

The previous prime is 4868841623. The next prime is 4868841689. The reversal of 4868841657 is 7561488684.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4868841657 - 2²³ = 4860453049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4868841597 and 4868841606.

It is not an unprimeable number, because it can be changed into a prime (4868843657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811473607 + ... + 811473612.

It is an arithmetic number, because the mean of its divisors is an integer number (1622947220).

Almost surely, 2^4868841657 is an apocalyptic number.

It is an amenable number.

4868841657 is a deficient number, since it is larger than the sum of its proper divisors (1622947223).

4868841657 is a wasteful number, since it uses less digits than its factorization.

4868841657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622947222.

The product of its digits is 10321920, while the sum is 57.

The square root of 4868841657 is about 69777.0854722379. The cubic root of 4868841657 is about 1694.8914294239.

The spelling of 4868841657 in words is "four billion, eight hundred sixty-eight million, eight hundred forty-one thousand, six hundred fifty-seven".