6998533650 has 288 divisors, whose sum is σ = 21331634688. Its totient is φ = 1698278400.

The previous prime is 6998533639. The next prime is 6998533673. The reversal of 6998533650 is 563358996.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6402504 + ... + 6403596.

It is an arithmetic number, because the mean of its divisors is an integer number (74068176).

Almost surely, 2^6998533650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6998533650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10665817344).

6998533650 is an abundant number, since it is smaller than the sum of its proper divisors (14333101038).

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

6998533650 is a wasteful number, since it uses less digits than its factorization.

6998533650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The square root of 6998533650 is about 83657.2390770817. The cubic root of 6998533650 is about 1912.7976007473.

The spelling of 6998533650 in words is "six billion, nine hundred ninety-eight million, five hundred thirty-three thousand, six hundred fifty".