5199645856 has 48 divisors (see below), whose sum is σ = 10424332800. Its totient is φ = 2552359680.

The previous prime is 5199645851. The next prime is 5199645901. The reversal of 5199645856 is 6585469915.

It is a self number, because there is not a number n which added to its sum of digits gives 5199645856.

It is not an unprimeable number, because it can be changed into a prime (5199645851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167025 + ... + 1171471.

It is an arithmetic number, because the mean of its divisors is an integer number (217173600).

Almost surely, 2^5199645856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5199645856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5212166400).

5199645856 is an abundant number, since it is smaller than the sum of its proper divisors (5224686944).

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

5199645856 is a wasteful number, since it uses less digits than its factorization.

5199645856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5109 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 58.

The square root of 5199645856 is about 72108.5699206412. The cubic root of 5199645856 is about 1732.4388798682.

The spelling of 5199645856 in words is "five billion, one hundred ninety-nine million, six hundred forty-five thousand, eight hundred fifty-six".