7685212319 has 2 divisors, whose sum is σ = 7685212320. Its totient is φ = 7685212318.

The previous prime is 7685212279. The next prime is 7685212343. The reversal of 7685212319 is 9132125867.

7685212319 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 is an emirp because it is prime and its reverse (9132125867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7685212319 - 2²⁰ = 7684163743 is a prime.

It is a super-2 number, since 2×7685212319² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7685212319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7685212369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842606159 + 3842606160.

It is an arithmetic number, because the mean of its divisors is an integer number (3842606160).

Almost surely, 2^7685212319 is an apocalyptic number.

7685212319 is a deficient number, since it is larger than the sum of its proper divisors (1).

7685212319 is an equidigital number, since it uses as much as digits as its factorization.

7685212319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 7685212319 is about 87665.3427472910. The cubic root of 7685212319 is about 1973.4159017229.

The spelling of 7685212319 in words is "seven billion, six hundred eighty-five million, two hundred twelve thousand, three hundred nineteen".