2068957209 has 8 divisors (see below), whose sum is σ = 3009392352. Its totient is φ = 1253913440.

The previous prime is 2068957193. The next prime is 2068957217. The reversal of 2068957209 is 9027598602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2068957209 - 2⁴ = 2068957193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2068957109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31347804 + ... + 31347869.

It is an arithmetic number, because the mean of its divisors is an integer number (376174044).

Almost surely, 2^2068957209 is an apocalyptic number.

It is an amenable number.

2068957209 is a deficient number, since it is larger than the sum of its proper divisors (940435143).

2068957209 is a wasteful number, since it uses less digits than its factorization.

2068957209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62695687.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 2068957209 is about 45485.7912869503. The cubic root of 2068957209 is about 1274.2378546984.

The spelling of 2068957209 in words is "two billion, sixty-eight million, nine hundred fifty-seven thousand, two hundred nine".