3668174602321 has 2 divisors, whose sum is σ = 3668174602322. Its totient is φ = 3668174602320.

The previous prime is 3668174602297. The next prime is 3668174602331. The reversal of 3668174602321 is 1232064718663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2881299158721 + 786875443600 = 1697439^2 + 887060^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668174602321 - 2¹³ = 3668174594129 is a prime.

It is a super-2 number, since 2×3668174602321² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3668174602331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834087301160 + 1834087301161.

It is an arithmetic number, because the mean of its divisors is an integer number (1834087301161).

Almost surely, 2^{3668174602321} is an apocalyptic number.

It is an amenable number.

3668174602321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668174602321 is an equidigital number, since it uses as much as digits as its factorization.

3668174602321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 3668174602321 in words is "three trillion, six hundred sixty-eight billion, one hundred seventy-four million, six hundred two thousand, three hundred twenty-one".