6688604141 has 2 divisors, whose sum is σ = 6688604142. Its totient is φ = 6688604140.

The previous prime is 6688604107. The next prime is 6688604147. The reversal of 6688604141 is 1414068866.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5033334916 + 1655269225 = 70946^2 + 40685^2 .

It is a cyclic number.

It is not a de Polignac number, because 6688604141 - 2⁶ = 6688604077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6688604092 and 6688604101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6688604147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3344302070 + 3344302071.

It is an arithmetic number, because the mean of its divisors is an integer number (3344302071).

Almost surely, 2^6688604141 is an apocalyptic number.

It is an amenable number.

6688604141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6688604141 is an equidigital number, since it uses as much as digits as its factorization.

6688604141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 6688604141 is about 81783.8868054093. The cubic root of 6688604141 is about 1884.1341928846.

The spelling of 6688604141 in words is "six billion, six hundred eighty-eight million, six hundred four thousand, one hundred forty-one".