6929009 has 2 divisors, whose sum is σ = 6929010. Its totient is φ = 6929008.

The previous prime is 6928973. The next prime is 6929023. The reversal of 6929009 is 9009296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5536609 + 1392400 = 2353^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6929009 is a prime.

It is a super-2 number, since 2×6929009² = 96022331444162, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6929009.

It is not a weakly prime, because it can be changed into another prime (6929099) 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, 3464504 + 3464505.

It is an arithmetic number, because the mean of its divisors is an integer number (3464505).

Almost surely, 2^6929009 is an apocalyptic number.

It is an amenable number.

6929009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929009 is an equidigital number, since it uses as much as digits as its factorization.

6929009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 6929009 is about 2632.3010846026. The cubic root of 6929009 is about 190.6442488490.

The spelling of 6929009 in words is "six million, nine hundred twenty-nine thousand, nine".