1383668309 has 8 divisors (see below), whose sum is σ = 1394094240. Its totient is φ = 1373277136.

The previous prime is 1383668281. The next prime is 1383668347. The reversal of 1383668309 is 9038663831.

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 1383668309 - 2²⁴ = 1366891093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383668009) 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, 74162 + ... + 90924.

It is an arithmetic number, because the mean of its divisors is an integer number (174261780).

Almost surely, 2^1383668309 is an apocalyptic number.

It is an amenable number.

1383668309 is a deficient number, since it is larger than the sum of its proper divisors (10425931).

1383668309 is a wasteful number, since it uses less digits than its factorization.

1383668309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 1383668309 is about 37197.6922536869. The cubic root of 1383668309 is about 1114.3218970022.

The spelling of 1383668309 in words is "one billion, three hundred eighty-three million, six hundred sixty-eight thousand, three hundred nine".