5218698920 has 64 divisors (see below), whose sum is σ = 11970547200. Its totient is φ = 2047219200.

The previous prime is 5218698917. The next prime is 5218698923. The reversal of 5218698920 is 298968125.

It is an interprime number because it is at equal distance from previous prime (5218698917) and next prime (5218698923).

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5218698923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471692 + ... + 482628.

It is an arithmetic number, because the mean of its divisors is an integer number (187039800).

Almost surely, 2^5218698920 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 5218698920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5985273600).

5218698920 is an abundant number, since it is smaller than the sum of its proper divisors (6751848280).

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

5218698920 is a wasteful number, since it uses less digits than its factorization.

5218698920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178 (or 11174 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 5218698920 is about 72240.5628438760. The cubic root of 5218698920 is about 1734.5523592755.

The spelling of 5218698920 in words is "five billion, two hundred eighteen million, six hundred ninety-eight thousand, nine hundred twenty".