7683312349 has 4 divisors (see below), whose sum is σ = 7713208764. Its totient is φ = 7653415936.

The previous prime is 7683312341. The next prime is 7683312389. The reversal of 7683312349 is 9432133867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6133709124 + 1549603225 = 78318^2 + 39365^2 .

It is a cyclic number.

It is not a de Polignac number, because 7683312349 - 2³ = 7683312341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7683312299 and 7683312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7683312341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14947822 + ... + 14948335.

It is an arithmetic number, because the mean of its divisors is an integer number (1928302191).

Almost surely, 2^7683312349 is an apocalyptic number.

It is an amenable number.

7683312349 is a deficient number, since it is larger than the sum of its proper divisors (29896415).

7683312349 is a wasteful number, since it uses less digits than its factorization.

7683312349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29896414.

The product of its digits is 653184, while the sum is 46.

The square root of 7683312349 is about 87654.5055829990. The cubic root of 7683312349 is about 1973.2532629702.

The spelling of 7683312349 in words is "seven billion, six hundred eighty-three million, three hundred twelve thousand, three hundred forty-nine".