6989148280 has 16 divisors (see below), whose sum is σ = 15725583720. Its totient is φ = 2795659296.

The previous prime is 6989148251. The next prime is 6989148289. The reversal of 6989148280 is 828419896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989148289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87364314 + ... + 87364393.

Almost surely, 2^6989148280 is an apocalyptic number.

It is an amenable number.

6989148280 is an abundant number, since it is smaller than the sum of its proper divisors (8736435440).

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

6989148280 is a wasteful number, since it uses less digits than its factorization.

6989148280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174728718 (or 174728714 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 55.

The square root of 6989148280 is about 83601.1260689711. The cubic root of 6989148280 is about 1911.9421670678.

The spelling of 6989148280 in words is "six billion, nine hundred eighty-nine million, one hundred forty-eight thousand, two hundred eighty".