6698609225 has 48 divisors (see below), whose sum is σ = 10713064320. Its totient is φ = 4031731200.

The previous prime is 6698609221. The next prime is 6698609243. The reversal of 6698609225 is 5229068966.

It is a happy number.

It is not a de Polignac number, because 6698609225 - 2² = 6698609221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6698609221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4172 + ... + 115821.

It is an arithmetic number, because the mean of its divisors is an integer number (223188840).

Almost surely, 2^6698609225 is an apocalyptic number.

It is an amenable number.

6698609225 is a deficient number, since it is larger than the sum of its proper divisors (4014455095).

6698609225 is a wasteful number, since it uses less digits than its factorization.

6698609225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120050 (or 120045 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 6698609225 is about 81845.0317673590. The cubic root of 6698609225 is about 1885.0731795027.

The spelling of 6698609225 in words is "six billion, six hundred ninety-eight million, six hundred nine thousand, two hundred twenty-five".