4891322825 has 6 divisors (see below), whose sum is σ = 6065240334. Its totient is φ = 3913058240.

The previous prime is 4891322803. The next prime is 4891322827. The reversal of 4891322825 is 5282231984.

It can be written as a sum of positive squares in 3 ways, for example, as 405136384 + 4486186441 = 20128^2 + 66979^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4891322825 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4891322827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97826432 + ... + 97826481.

It is an arithmetic number, because the mean of its divisors is an integer number (1010873389).

Almost surely, 2^4891322825 is an apocalyptic number.

It is an amenable number.

4891322825 is a deficient number, since it is larger than the sum of its proper divisors (1173917509).

4891322825 is a wasteful number, since it uses less digits than its factorization.

4891322825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195652923 (or 195652918 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 4891322825 is about 69937.9927149757. The cubic root of 4891322825 is about 1697.4960628862.

The spelling of 4891322825 in words is "four billion, eight hundred ninety-one million, three hundred twenty-two thousand, eight hundred twenty-five".