4843978636 has 24 divisors (see below), whose sum is σ = 10197850880. Its totient is φ = 1966727952.

The previous prime is 4843978609. The next prime is 4843978649. The reversal of 4843978636 is 6368793484.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552080 + ... + 4553143.

Almost surely, 2^4843978636 is an apocalyptic number.

It is an amenable number.

4843978636 is an abundant number, since it is smaller than the sum of its proper divisors (5353872244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4843978636 is a wasteful number, since it uses less digits than its factorization.

4843978636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9105253 (or 9105251 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 58.

The square root of 4843978636 is about 69598.6970855058. The cubic root of 4843978636 is about 1692.0014842932.

The spelling of 4843978636 in words is "four billion, eight hundred forty-three million, nine hundred seventy-eight thousand, six hundred thirty-six".