8666429454379 has 2 divisors, whose sum is σ = 8666429454380. Its totient is φ = 8666429454378.

The previous prime is 8666429454373. The next prime is 8666429454413. The reversal of 8666429454379 is 9734549246668.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8666429454379 is a prime.

It is not a weakly prime, because it can be changed into another prime (8666429454373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4333214727189 + 4333214727190.

It is an arithmetic number, because the mean of its divisors is an integer number (4333214727190).

Almost surely, 2^{8666429454379} is an apocalyptic number.

8666429454379 is a deficient number, since it is larger than the sum of its proper divisors (1).

8666429454379 is an equidigital number, since it uses as much as digits as its factorization.

8666429454379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881169920, while the sum is 73.

The spelling of 8666429454379 in words is "eight trillion, six hundred sixty-six billion, four hundred twenty-nine million, four hundred fifty-four thousand, three hundred seventy-nine".