6949680920 has 512 divisors, whose sum is σ = 22469529600. Its totient is φ = 1868562432.

The previous prime is 6949680917. The next prime is 6949680961. The reversal of 6949680920 is 290869496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27041432 + ... + 27041688.

It is an arithmetic number, because the mean of its divisors is an integer number (43885800).

Almost surely, 2^6949680920 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 6949680920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11234764800).

6949680920 is an abundant number, since it is smaller than the sum of its proper divisors (15519848680).

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

6949680920 is a wasteful number, since it uses less digits than its factorization.

6949680920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 6949680920 is about 83364.7462660326. The cubic root of 6949680920 is about 1908.3364918915.

The spelling of 6949680920 in words is "six billion, nine hundred forty-nine million, six hundred eighty thousand, nine hundred twenty".