3645138641113 has 2 divisors, whose sum is σ = 3645138641114. Its totient is φ = 3645138641112.

The previous prime is 3645138641107. The next prime is 3645138641143. The reversal of 3645138641113 is 3111468315463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3363673377024 + 281465264089 = 1834032^2 + 530533^2 .

It is a cyclic number.

It is not a de Polignac number, because 3645138641113 - 2⁹ = 3645138640601 is a prime.

It is not a weakly prime, because it can be changed into another prime (3645138641143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822569320556 + 1822569320557.

It is an arithmetic number, because the mean of its divisors is an integer number (1822569320557).

Almost surely, 2^{3645138641113} is an apocalyptic number.

It is an amenable number.

3645138641113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645138641113 is an equidigital number, since it uses as much as digits as its factorization.

3645138641113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The spelling of 3645138641113 in words is "three trillion, six hundred forty-five billion, one hundred thirty-eight million, six hundred forty-one thousand, one hundred thirteen".