6909916340 has 24 divisors (see below), whose sum is σ = 14784615720. Its totient is φ = 2711815808.

The previous prime is 6909916327. The next prime is 6909916367. The reversal of 6909916340 is 436199096.

It can be written as a sum of positive squares in 4 ways, for example, as 2299777936 + 4610138404 = 47956^2 + 67898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3258335 + ... + 3260454.

It is an arithmetic number, because the mean of its divisors is an integer number (616025655).

Almost surely, 2^6909916340 is an apocalyptic number.

It is an amenable number.

6909916340 is an abundant number, since it is smaller than the sum of its proper divisors (7874699380).

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

6909916340 is a wasteful number, since it uses less digits than its factorization.

6909916340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518851 (or 6518849 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 6909916340 is about 83125.9065514476. The cubic root of 6909916340 is about 1904.6898308516.

The spelling of 6909916340 in words is "six billion, nine hundred nine million, nine hundred sixteen thousand, three hundred forty".