6989409299 has 2 divisors, whose sum is σ = 6989409300. Its totient is φ = 6989409298.

The previous prime is 6989409283. The next prime is 6989409307. The reversal of 6989409299 is 9929049896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6989409299 - 2⁴ = 6989409283 is a prime.

It is not a weakly prime, because it can be changed into another prime (6989405299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494704649 + 3494704650.

It is an arithmetic number, because the mean of its divisors is an integer number (3494704650).

Almost surely, 2^6989409299 is an apocalyptic number.

6989409299 is a deficient number, since it is larger than the sum of its proper divisors (1).

6989409299 is an equidigital number, since it uses as much as digits as its factorization.

6989409299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22674816, while the sum is 65.

The square root of 6989409299 is about 83602.6871517896. The cubic root of 6989409299 is about 1911.9659681091.

The spelling of 6989409299 in words is "six billion, nine hundred eighty-nine million, four hundred nine thousand, two hundred ninety-nine".