6999049009 has 2 divisors, whose sum is σ = 6999049010. Its totient is φ = 6999049008.

The previous prime is 6999048923. The next prime is 6999049061. The reversal of 6999049009 is 9009409996.

6999049009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6843921984 + 155127025 = 82728^2 + 12455^2 .

It is a cyclic number.

It is not a de Polignac number, because 6999049009 - 2¹³ = 6999040817 is a prime.

It is not a weakly prime, because it can be changed into another prime (6999049909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499524504 + 3499524505.

It is an arithmetic number, because the mean of its divisors is an integer number (3499524505).

Almost surely, 2^6999049009 is an apocalyptic number.

It is an amenable number.

6999049009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6999049009 is an equidigital number, since it uses as much as digits as its factorization.

6999049009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 55.

The square root of 6999049009 is about 83660.3192021164. The cubic root of 6999049009 is about 1912.8445512140.

The spelling of 6999049009 in words is "six billion, nine hundred ninety-nine million, forty-nine thousand, nine".