3668395705 has 8 divisors (see below), whose sum is σ = 4740696072. Its totient is φ = 2708969088.

The previous prime is 3668395697. The next prime is 3668395723. The reversal of 3668395705 is 5075938663.

It can be written as a sum of positive squares in 4 ways, for example, as 495552121 + 3172843584 = 22261^2 + 56328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3668395705 - 2³ = 3668395697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28218364 + ... + 28218493.

It is an arithmetic number, because the mean of its divisors is an integer number (592587009).

Almost surely, 2^3668395705 is an apocalyptic number.

It is an amenable number.

3668395705 is a deficient number, since it is larger than the sum of its proper divisors (1072300367).

3668395705 is a wasteful number, since it uses less digits than its factorization.

3668395705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56436875.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The square root of 3668395705 is about 60567.2824633894. The cubic root of 3668395705 is about 1542.2640147819.

The spelling of 3668395705 in words is "three billion, six hundred sixty-eight million, three hundred ninety-five thousand, seven hundred five".