6909133248 has 224 divisors, whose sum is σ = 21561958400. Its totient is φ = 2163345408.

The previous prime is 6909133211. The next prime is 6909133249. The reversal of 6909133248 is 8423319096.

It is a happy number.

It is a super-2 number, since 2×6909133248² = 95472244477238059008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6909133249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4168836 + ... + 4170492.

Almost surely, 2^6909133248 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 6909133248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10780979200).

6909133248 is an abundant number, since it is smaller than the sum of its proper divisors (14652825152).

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

6909133248 is a wasteful number, since it uses less digits than its factorization.

6909133248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 6909133248 is about 83121.1961415378. The cubic root of 6909133248 is about 1904.6178761108.

The spelling of 6909133248 in words is "six billion, nine hundred nine million, one hundred thirty-three thousand, two hundred forty-eight".