2052655442645 has 6 divisors (see below), whose sum is σ = 2463190375542. Its totient is φ = 1642121791208.

The previous prime is 2052655442581. The next prime is 2052655442659. The reversal of 2052655442645 is 5462445562502.

It can be written as a sum of positive squares in only one way, i.e., 1642124354116 + 410531088529 = 1281454^2 + 640727^2 .

It is not a de Polignac number, because 2052655442645 - 2⁶ = 2052655442581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2052655442593 and 2052655442602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2883272 + ... + 3523998.

It is an arithmetic number, because the mean of its divisors is an integer number (410531729257).

Almost surely, 2^{2052655442645} is an apocalyptic number.

It is an amenable number.

2052655442645 is a deficient number, since it is larger than the sum of its proper divisors (410534932897).

2052655442645 is an frugal number, since it uses more digits than its factorization.

2052655442645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281459 (or 640732 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 50.

The spelling of 2052655442645 in words is "two trillion, fifty-two billion, six hundred fifty-five million, four hundred forty-two thousand, six hundred forty-five".