7668014213 has 4 divisors (see below), whose sum is σ = 7676163948. Its totient is φ = 7659864480.

The previous prime is 7668014197. The next prime is 7668014219. The reversal of 7668014213 is 3124108667.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2428715524 + 5239298689 = 49282^2 + 72383^2 .

It is a cyclic number.

It is not a de Polignac number, because 7668014213 - 2⁴ = 7668014197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668014219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073456 + ... + 4075337.

It is an arithmetic number, because the mean of its divisors is an integer number (1919040987).

Almost surely, 2^7668014213 is an apocalyptic number.

It is an amenable number.

7668014213 is a deficient number, since it is larger than the sum of its proper divisors (8149735).

7668014213 is an equidigital number, since it uses as much as digits as its factorization.

7668014213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149734.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7668014213 is about 87567.1982708137. The cubic root of 7668014213 is about 1971.9427537942.

The spelling of 7668014213 in words is "seven billion, six hundred sixty-eight million, fourteen thousand, two hundred thirteen".