6988291229 has 2 divisors, whose sum is σ = 6988291230. Its totient is φ = 6988291228.

The previous prime is 6988291199. The next prime is 6988291237. The reversal of 6988291229 is 9221928896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6259183225 + 729108004 = 79115^2 + 27002^2 .

It is a cyclic number.

It is not a de Polignac number, because 6988291229 - 2²⁰ = 6987242653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6988291729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494145614 + 3494145615.

It is an arithmetic number, because the mean of its divisors is an integer number (3494145615).

Almost surely, 2^6988291229 is an apocalyptic number.

It is an amenable number.

6988291229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6988291229 is an equidigital number, since it uses as much as digits as its factorization.

6988291229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 56.

The square root of 6988291229 is about 83596.0000777549. Note that the first 4 decimals coincide. The cubic root of 6988291229 is about 1911.8640126268.

The spelling of 6988291229 in words is "six billion, nine hundred eighty-eight million, two hundred ninety-one thousand, two hundred twenty-nine".