6885348121 has 2 divisors, whose sum is σ = 6885348122. Its totient is φ = 6885348120.

The previous prime is 6885348091. The next prime is 6885348131. The reversal of 6885348121 is 1218435886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460770521 + 2424577600 = 66789^2 + 49240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6885348121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6885348131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442674060 + 3442674061.

It is an arithmetic number, because the mean of its divisors is an integer number (3442674061).

Almost surely, 2^6885348121 is an apocalyptic number.

It is an amenable number.

6885348121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6885348121 is an equidigital number, since it uses as much as digits as its factorization.

6885348121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 46.

The square root of 6885348121 is about 82977.9978126732. The cubic root of 6885348121 is about 1902.4297742363.

The spelling of 6885348121 in words is "six billion, eight hundred eighty-five million, three hundred forty-eight thousand, one hundred twenty-one".