4686688630691 has 2 divisors, whose sum is σ = 4686688630692. Its totient is φ = 4686688630690.

The previous prime is 4686688630609. The next prime is 4686688630747. The reversal of 4686688630691 is 1960368866864.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4686688630691 is a prime.

It is not a weakly prime, because it can be changed into another prime (4686688630291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343344315345 + 2343344315346.

It is an arithmetic number, because the mean of its divisors is an integer number (2343344315346).

Almost surely, 2^{4686688630691} is an apocalyptic number.

4686688630691 is a deficient number, since it is larger than the sum of its proper divisors (1).

4686688630691 is an equidigital number, since it uses as much as digits as its factorization.

4686688630691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 429981696, while the sum is 71.

The spelling of 4686688630691 in words is "four trillion, six hundred eighty-six billion, six hundred eighty-eight million, six hundred thirty thousand, six hundred ninety-one".