4687481188109 has 2 divisors, whose sum is σ = 4687481188110. Its totient is φ = 4687481188108.

The previous prime is 4687481188099. The next prime is 4687481188207. The reversal of 4687481188109 is 9018811847864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2748954052009 + 1938527136100 = 1657997^2 + 1392310^2 .

It is a cyclic number.

It is not a de Polignac number, because 4687481188109 - 2⁸ = 4687481187853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4687481185109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343740594054 + 2343740594055.

It is an arithmetic number, because the mean of its divisors is an integer number (2343740594055).

Almost surely, 2^{4687481188109} is an apocalyptic number.

It is an amenable number.

4687481188109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4687481188109 is an equidigital number, since it uses as much as digits as its factorization.

4687481188109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24772608, while the sum is 65.

The spelling of 4687481188109 in words is "four trillion, six hundred eighty-seven billion, four hundred eighty-one million, one hundred eighty-eight thousand, one hundred nine".