7813680350347 has 4 divisors (see below), whose sum is σ = 7815753498280. Its totient is φ = 7811607202416.

The previous prime is 7813680350303. The next prime is 7813680350393. The reversal of 7813680350347 is 7430530863187.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7813680350347 - 2²⁷ = 7813546132619 is a prime.

It is a super-2 number, since 2×7813680350347² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7813680950347) 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, 1036568313 + ... + 1036575850.

It is an arithmetic number, because the mean of its divisors is an integer number (1953938374570).

Almost surely, 2^{7813680350347} is an apocalyptic number.

7813680350347 is a deficient number, since it is larger than the sum of its proper divisors (2073147933).

7813680350347 is a wasteful number, since it uses less digits than its factorization.

7813680350347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073147932.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 7813680350347 in words is "seven trillion, eight hundred thirteen billion, six hundred eighty million, three hundred fifty thousand, three hundred forty-seven".