6908668099 has 2 divisors, whose sum is σ = 6908668100. Its totient is φ = 6908668098.

The previous prime is 6908668093. The next prime is 6908668103. The reversal of 6908668099 is 9908668096.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6908668099 is a prime.

It is not a weakly prime, because it can be changed into another prime (6908668093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3454334049 + 3454334050.

It is an arithmetic number, because the mean of its divisors is an integer number (3454334050).

Almost surely, 2^6908668099 is an apocalyptic number.

6908668099 is a deficient number, since it is larger than the sum of its proper divisors (1).

6908668099 is an equidigital number, since it uses as much as digits as its factorization.

6908668099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The square root of 6908668099 is about 83118.3980776819. The cubic root of 6908668099 is about 1904.5751331236.

The spelling of 6908668099 in words is "six billion, nine hundred eight million, six hundred sixty-eight thousand, ninety-nine".