1683242309 has 16 divisors (see below), whose sum is σ = 1988100096. Its totient is φ = 1394593200.

The previous prime is 1683242291. The next prime is 1683242311. The reversal of 1683242309 is 9032423861.

It is not a de Polignac number, because 1683242309 - 2²⁸ = 1414806853 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 (1683242339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201404 + ... + 209594.

It is an arithmetic number, because the mean of its divisors is an integer number (124256256).

Almost surely, 2^1683242309 is an apocalyptic number.

It is an amenable number.

1683242309 is a deficient number, since it is larger than the sum of its proper divisors (304857787).

1683242309 is an equidigital number, since it uses as much as digits as its factorization.

1683242309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1683242309 is about 41027.3361187392. The cubic root of 1683242309 is about 1189.5486622561.

The spelling of 1683242309 in words is "one billion, six hundred eighty-three million, two hundred forty-two thousand, three hundred nine".