2053656530605 has 4 divisors (see below), whose sum is σ = 2464387836732. Its totient is φ = 1642925224480.

The previous prime is 2053656530543. The next prime is 2053656530719. The reversal of 2053656530605 is 5060356563502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1047400777476 + 1006255753129 = 1023426^2 + 1003123^2 .

It is not a de Polignac number, because 2053656530605 - 2²⁵ = 2053622976173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205365653056 + ... + 205365653065.

It is an arithmetic number, because the mean of its divisors is an integer number (616096959183).

Almost surely, 2^{2053656530605} is an apocalyptic number.

It is an amenable number.

2053656530605 is a deficient number, since it is larger than the sum of its proper divisors (410731306127).

2053656530605 is an equidigital number, since it uses as much as digits as its factorization.

2053656530605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410731306126.

The product of its (nonzero) digits is 2430000, while the sum is 46.

The spelling of 2053656530605 in words is "two trillion, fifty-three billion, six hundred fifty-six million, five hundred thirty thousand, six hundred five".