4891875689 has 2 divisors, whose sum is σ = 4891875690. Its totient is φ = 4891875688.

The previous prime is 4891875619. The next prime is 4891875731. The reversal of 4891875689 is 9865781984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4368152464 + 523723225 = 66092^2 + 22885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4891875689 is a prime.

It is not a weakly prime, because it can be changed into another prime (4891875619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445937844 + 2445937845.

It is an arithmetic number, because the mean of its divisors is an integer number (2445937845).

Almost surely, 2^4891875689 is an apocalyptic number.

It is an amenable number.

4891875689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4891875689 is an equidigital number, since it uses as much as digits as its factorization.

4891875689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 65.

The square root of 4891875689 is about 69941.9451330888. The cubic root of 4891875689 is about 1697.5600162134.

The spelling of 4891875689 in words is "four billion, eight hundred ninety-one million, eight hundred seventy-five thousand, six hundred eighty-nine".