4687402236689 has 2 divisors, whose sum is σ = 4687402236690. Its totient is φ = 4687402236688.

The previous prime is 4687402236679. The next prime is 4687402236707. The reversal of 4687402236689 is 9866322047864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2730293569600 + 1957108667089 = 1652360^2 + 1398967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4687402236689 is a prime.

It is not a weakly prime, because it can be changed into another prime (4687402236619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343701118344 + 2343701118345.

It is an arithmetic number, because the mean of its divisors is an integer number (2343701118345).

Almost surely, 2^{4687402236689} is an apocalyptic number.

It is an amenable number.

4687402236689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4687402236689 is an equidigital number, since it uses as much as digits as its factorization.

4687402236689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167215104, while the sum is 65.

The spelling of 4687402236689 in words is "four trillion, six hundred eighty-seven billion, four hundred two million, two hundred thirty-six thousand, six hundred eighty-nine".