6994496609 has 4 divisors (see below), whose sum is σ = 7405937604. Its totient is φ = 6583055616.

The previous prime is 6994496599. The next prime is 6994496611. The reversal of 6994496609 is 9066944996.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5605816384 + 1388680225 = 74872^2 + 37265^2 .

It is a cyclic number.

It is not a de Polignac number, because 6994496609 - 2²⁴ = 6977719393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6994496629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205720472 + ... + 205720505.

It is an arithmetic number, because the mean of its divisors is an integer number (1851484401).

Almost surely, 2^6994496609 is an apocalyptic number.

It is an amenable number.

6994496609 is a deficient number, since it is larger than the sum of its proper divisors (411440995).

6994496609 is a wasteful number, since it uses less digits than its factorization.

6994496609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411440994.

The product of its (nonzero) digits is 22674816, while the sum is 62.

The square root of 6994496609 is about 83633.1071346748. The cubic root of 6994496609 is about 1912.4297366585.

The spelling of 6994496609 in words is "six billion, nine hundred ninety-four million, four hundred ninety-six thousand, six hundred nine".