6989988096 has 288 divisors, whose sum is σ = 25443057920. Its totient is φ = 1843347456.

The previous prime is 6989988011. The next prime is 6989988113. The reversal of 6989988096 is 6908899896.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-3 number, since 3×6989988096³ (a number of 31 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 623436 + ... + 634548.

Almost surely, 2^6989988096 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 6989988096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12721528960).

6989988096 is an abundant number, since it is smaller than the sum of its proper divisors (18453069824).

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

6989988096 is a wasteful number, since it uses less digits than its factorization.

6989988096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11158 (or 11138 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 72.

The square root of 6989988096 is about 83606.1486734080. The cubic root of 6989988096 is about 1912.0187436524.

The spelling of 6989988096 in words is "six billion, nine hundred eighty-nine million, nine hundred eighty-eight thousand, ninety-six".