4891104872 has 8 divisors (see below), whose sum is σ = 9170821650. Its totient is φ = 2445552432.

The previous prime is 4891104857. The next prime is 4891104893. The reversal of 4891104872 is 2784011984.

It can be written as a sum of positive squares in only one way, i.e., 3623317636 + 1267787236 = 60194^2 + 35606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 305694047 + ... + 305694062.

Almost surely, 2^4891104872 is an apocalyptic number.

It is an amenable number.

4891104872 is a deficient number, since it is larger than the sum of its proper divisors (4279716778).

4891104872 is a wasteful number, since it uses less digits than its factorization.

4891104872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611388115 (or 611388111 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 4891104872 is about 69936.4345102036. The cubic root of 4891104872 is about 1697.4708495395.

The spelling of 4891104872 in words is "four billion, eight hundred ninety-one million, one hundred four thousand, eight hundred seventy-two".