1683317969 has 4 divisors (see below), whose sum is σ = 1692722160. Its totient is φ = 1673913780.

The previous prime is 1683317941. The next prime is 1683317971. The reversal of 1683317969 is 9697133861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9697133861 = 521 ⋅18612541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1683317969 is a prime.

It is a super-2 number, since 2×1683317969² = 5667118769516569922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1683317969.

It is not an unprimeable number, because it can be changed into a prime (1683317569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701827 + ... + 4702184.

It is an arithmetic number, because the mean of its divisors is an integer number (423180540).

Almost surely, 2^1683317969 is an apocalyptic number.

It is an amenable number.

1683317969 is a deficient number, since it is larger than the sum of its proper divisors (9404191).

1683317969 is an equidigital number, since it uses as much as digits as its factorization.

1683317969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404190.

The product of its digits is 1469664, while the sum is 53.

The square root of 1683317969 is about 41028.2581765300. The cubic root of 1683317969 is about 1189.5664849828.

The spelling of 1683317969 in words is "one billion, six hundred eighty-three million, three hundred seventeen thousand, nine hundred sixty-nine".