4899919956 has 24 divisors (see below), whose sum is σ = 12034891680. Its totient is φ = 1547343072.

The previous prime is 4899919949. The next prime is 4899919957. The reversal of 4899919956 is 6599199984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4899919957) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 10745211 + ... + 10745666.

It is an arithmetic number, because the mean of its divisors is an integer number (501453820).

Almost surely, 2^4899919956 is an apocalyptic number.

It is an amenable number.

4899919956 is an abundant number, since it is smaller than the sum of its proper divisors (7134971724).

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

4899919956 is a wasteful number, since it uses less digits than its factorization.

4899919956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21490903 (or 21490901 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 69.

The square root of 4899919956 is about 69999.4282548079. The cubic root of 4899919956 is about 1698.4900035742.

The spelling of 4899919956 in words is "four billion, eight hundred ninety-nine million, nine hundred nineteen thousand, nine hundred fifty-six".