7694447513 has 2 divisors, whose sum is σ = 7694447514. Its totient is φ = 7694447512.

The previous prime is 7694447483. The next prime is 7694447539. The reversal of 7694447513 is 3157444967.

7694447513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6890328064 + 804119449 = 83008^2 + 28357^2 .

It is an emirp because it is prime and its reverse (3157444967) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7694447513 is a prime.

It is not a weakly prime, because it can be changed into another prime (7694447113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3847223756 + 3847223757.

It is an arithmetic number, because the mean of its divisors is an integer number (3847223757).

Almost surely, 2^7694447513 is an apocalyptic number.

It is an amenable number.

7694447513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7694447513 is an equidigital number, since it uses as much as digits as its factorization.

7694447513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The square root of 7694447513 is about 87717.9999372991. Note that the first 4 decimals coincide. The cubic root of 7694447513 is about 1974.2060591763.

The spelling of 7694447513 in words is "seven billion, six hundred ninety-four million, four hundred forty-seven thousand, five hundred thirteen".