7681675303121 has 2 divisors, whose sum is σ = 7681675303122. Its totient is φ = 7681675303120.

The previous prime is 7681675303117. The next prime is 7681675303217. The reversal of 7681675303121 is 1213035761867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6587640889600 + 1094034413521 = 2566640^2 + 1045961^2 .

It is an emirp because it is prime and its reverse (1213035761867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7681675303121 - 2² = 7681675303117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7681675303121.

It is not a weakly prime, because it can be changed into another prime (7681675300121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3840837651560 + 3840837651561.

It is an arithmetic number, because the mean of its divisors is an integer number (3840837651561).

Almost surely, 2^{7681675303121} is an apocalyptic number.

It is an amenable number.

7681675303121 is a deficient number, since it is larger than the sum of its proper divisors (1).

7681675303121 is an equidigital number, since it uses as much as digits as its factorization.

7681675303121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 7681675303121 in words is "seven trillion, six hundred eighty-one billion, six hundred seventy-five million, three hundred three thousand, one hundred twenty-one".