6989800540 has 48 divisors (see below), whose sum is σ = 15049036800. Its totient is φ = 2725470720.

The previous prime is 6989800513. The next prime is 6989800577. The reversal of 6989800540 is 450089896.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267429 + ... + 1272931.

It is an arithmetic number, because the mean of its divisors is an integer number (313521600).

Almost surely, 2^6989800540 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 6989800540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7524518400).

6989800540 is an abundant number, since it is smaller than the sum of its proper divisors (8059236260).

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

6989800540 is a wasteful number, since it uses less digits than its factorization.

6989800540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 6989800540 is about 83605.0270019692. The cubic root of 6989800540 is about 1912.0016423455.

The spelling of 6989800540 in words is "six billion, nine hundred eighty-nine million, eight hundred thousand, five hundred forty".