2698869888 has 512 divisors, whose sum is σ = 9650995200. Its totient is φ = 731566080.

The previous prime is 2698869883. The next prime is 2698869911. The reversal of 2698869888 is 8889688962.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2698869883) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21250881 + ... + 21251007.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^2698869888 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 2698869888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4825497600).

2698869888 is an abundant number, since it is smaller than the sum of its proper divisors (6952125312).

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

2698869888 is a wasteful number, since it uses less digits than its factorization.

2698869888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 199 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 72.

The square root of 2698869888 is about 51950.6485811294. The cubic root of 2698869888 is about 1392.2823446296.

The spelling of 2698869888 in words is "two billion, six hundred ninety-eight million, eight hundred sixty-nine thousand, eight hundred eighty-eight".