2104740167609 has 2 divisors, whose sum is σ = 2104740167610. Its totient is φ = 2104740167608.

The previous prime is 2104740167573. The next prime is 2104740167683. The reversal of 2104740167609 is 9067610474012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439047357609 + 665692810000 = 1199603^2 + 815900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104740167609 is a prime.

It is a super-2 number, since 2×2104740167609² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2104740167209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052370083804 + 1052370083805.

It is an arithmetic number, because the mean of its divisors is an integer number (1052370083805).

Almost surely, 2^{2104740167609} is an apocalyptic number.

It is an amenable number.

2104740167609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104740167609 is an equidigital number, since it uses as much as digits as its factorization.

2104740167609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 2104740167609 in words is "two trillion, one hundred four billion, seven hundred forty million, one hundred sixty-seven thousand, six hundred nine".