6667427413 has 2 divisors, whose sum is σ = 6667427414. Its totient is φ = 6667427412.

The previous prime is 6667427411. The next prime is 6667427423. The reversal of 6667427413 is 3147247666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6563754289 + 103673124 = 81017^2 + 10182^2 .

It is a cyclic number.

It is not a de Polignac number, because 6667427413 - 2¹ = 6667427411 is a prime.

Together with 6667427411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6667427411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333713706 + 3333713707.

It is an arithmetic number, because the mean of its divisors is an integer number (3333713707).

Almost surely, 2^6667427413 is an apocalyptic number.

It is an amenable number.

6667427413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667427413 is an equidigital number, since it uses as much as digits as its factorization.

6667427413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 46.

The square root of 6667427413 is about 81654.3165607306. The cubic root of 6667427413 is about 1882.1436440100.

The spelling of 6667427413 in words is "six billion, six hundred sixty-seven million, four hundred twenty-seven thousand, four hundred thirteen".