7521347695313 has 2 divisors, whose sum is σ = 7521347695314. Its totient is φ = 7521347695312.

The previous prime is 7521347695289. The next prime is 7521347695327. The reversal of 7521347695313 is 3135967431257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4360675297729 + 3160672397584 = 2088223^2 + 1777828^2 .

It is a cyclic number.

It is not a de Polignac number, because 7521347695313 - 2⁴² = 3123301184209 is a prime.

It is not a weakly prime, because it can be changed into another prime (7521347635313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3760673847656 + 3760673847657.

It is an arithmetic number, because the mean of its divisors is an integer number (3760673847657).

Almost surely, 2^{7521347695313} is an apocalyptic number.

It is an amenable number.

7521347695313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7521347695313 is an equidigital number, since it uses as much as digits as its factorization.

7521347695313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 56.

The spelling of 7521347695313 in words is "seven trillion, five hundred twenty-one billion, three hundred forty-seven million, six hundred ninety-five thousand, three hundred thirteen".