3668409713 has 4 divisors (see below), whose sum is σ = 3668770980. Its totient is φ = 3668048448.

The previous prime is 3668409709. The next prime is 3668409727. The reversal of 3668409713 is 3179048663.

It is a happy number.

3668409713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3179048663 = 7 ⋅454149809.

It can be written as a sum of positive squares in 2 ways, for example, as 1842813184 + 1825596529 = 42928^2 + 42727^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668409713 - 2² = 3668409709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3668409763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164948 + ... + 185861.

It is an arithmetic number, because the mean of its divisors is an integer number (917192745).

Almost surely, 2^3668409713 is an apocalyptic number.

It is an amenable number.

3668409713 is a deficient number, since it is larger than the sum of its proper divisors (361267).

3668409713 is a wasteful number, since it uses less digits than its factorization.

3668409713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361266.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3668409713 is about 60567.3981032700. The cubic root of 3668409713 is about 1542.2659778568.

The spelling of 3668409713 in words is "three billion, six hundred sixty-eight million, four hundred nine thousand, seven hundred thirteen".