3684641329129 has 2 divisors, whose sum is σ = 3684641329130. Its totient is φ = 3684641329128.

The previous prime is 3684641329123. The next prime is 3684641329177. The reversal of 3684641329129 is 9219231464863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3408554135529 + 276087193600 = 1846227^2 + 525440^2 .

It is a cyclic number.

It is not a de Polignac number, because 3684641329129 - 2⁵ = 3684641329097 is a prime.

It is not a weakly prime, because it can be changed into another prime (3684641329123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842320664564 + 1842320664565.

It is an arithmetic number, because the mean of its divisors is an integer number (1842320664565).

Almost surely, 2^{3684641329129} is an apocalyptic number.

It is an amenable number.

3684641329129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3684641329129 is an equidigital number, since it uses as much as digits as its factorization.

3684641329129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 58.

The spelling of 3684641329129 in words is "three trillion, six hundred eighty-four billion, six hundred forty-one million, three hundred twenty-nine thousand, one hundred twenty-nine".