6909946949 has 8 divisors (see below), whose sum is σ = 6975847872. Its totient is φ = 6844129600.

The previous prime is 6909946913. The next prime is 6909946993. The reversal of 6909946949 is 9496499096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6909946949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6909946249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 152024 + ... + 192174.

It is an arithmetic number, because the mean of its divisors is an integer number (871980984).

Almost surely, 2^6909946949 is an apocalyptic number.

It is an amenable number.

6909946949 is a deficient number, since it is larger than the sum of its proper divisors (65900923).

6909946949 is a wasteful number, since it uses less digits than its factorization.

6909946949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41787.

The product of its (nonzero) digits is 34012224, while the sum is 65.

The square root of 6909946949 is about 83126.0906635215. The cubic root of 6909946949 is about 1904.6926432622.

The spelling of 6909946949 in words is "six billion, nine hundred nine million, nine hundred forty-six thousand, nine hundred forty-nine".