32868602209 has 3 divisors (see below), whose sum is σ = 32868783507. Its totient is φ = 32868420912.

The previous prime is 32868602201. The next prime is 32868602219. The reversal of 32868602209 is 90220686823.

It is a happy number.

The square root of 32868602209 is 181297.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 31774845025 + 1093757184 = 178255^2 + 33072^2 .

It is not a de Polignac number, because 32868602209 - 2³ = 32868602201 is a prime.

It is a super-2 number, since 2×32868602209² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32868602201) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 90649 + ... + 271945.

It is an arithmetic number, because the mean of its divisors is an integer number (10956261169).

Almost surely, 2^32868602209 is an apocalyptic number.

32868602209 is the 181297-th square number.

32868602209 is the 90649-th centered octagonal number.

It is an amenable number.

32868602209 is a deficient number, since it is larger than the sum of its proper divisors (181298).

32868602209 is an frugal number, since it uses more digits than its factorization.

32868602209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362594 (or 181297 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 32868602209 in words is "thirty-two billion, eight hundred sixty-eight million, six hundred two thousand, two hundred nine".