4891546868 has 12 divisors (see below), whose sum is σ = 9218684580. Its totient is φ = 2257636992.

The previous prime is 4891546819. The next prime is 4891546871. The reversal of 4891546868 is 8686451984.

It can be written as a sum of positive squares in 2 ways, for example, as 831053584 + 4060493284 = 28828^2 + 63722^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47034053 + ... + 47034156.

It is an arithmetic number, because the mean of its divisors is an integer number (768223715).

Almost surely, 2^4891546868 is an apocalyptic number.

It is an amenable number.

4891546868 is a deficient number, since it is larger than the sum of its proper divisors (4327137712).

4891546868 is a wasteful number, since it uses less digits than its factorization.

4891546868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94068226 (or 94068224 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 59.

The square root of 4891546868 is about 69939.5944226159. The cubic root of 4891546868 is about 1697.5219799587.

The spelling of 4891546868 in words is "four billion, eight hundred ninety-one million, five hundred forty-six thousand, eight hundred sixty-eight".