6912209345 has 8 divisors (see below), whose sum is σ = 8562220800. Its totient is φ = 5351387760.

The previous prime is 6912209341. The next prime is 6912209351. The reversal of 6912209345 is 5439022196.

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

It is not a de Polignac number, because 6912209345 - 2² = 6912209341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6912209341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22297295 + ... + 22297604.

It is an arithmetic number, because the mean of its divisors is an integer number (1070277600).

Almost surely, 2^6912209345 is an apocalyptic number.

It is an amenable number.

6912209345 is a deficient number, since it is larger than the sum of its proper divisors (1650011455).

6912209345 is a wasteful number, since it uses less digits than its factorization.

6912209345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44594935.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 6912209345 is about 83139.6977682743. The cubic root of 6912209345 is about 1904.9004933293.

The spelling of 6912209345 in words is "six billion, nine hundred twelve million, two hundred nine thousand, three hundred forty-five".