2545548068529 has 12 divisors (see below), whose sum is σ = 3688650062916. Its totient is φ = 1691610216192.

The previous prime is 2545548068519. The next prime is 2545548068587. The reversal of 2545548068529 is 9258608455452.

2545548068529 is a `hidden beast` number, since 2 + 5 + 4 + 5 + 5 + 48 + 0 + 68 + 529 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 609687680625 + 1935860387904 = 780825^2 + 1391352^2 .

It is not a de Polignac number, because 2545548068529 - 2¹⁵ = 2545548035761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545548068519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451816152 + ... + 451821785.

It is an arithmetic number, because the mean of its divisors is an integer number (307387505243).

Almost surely, 2^{2545548068529} is an apocalyptic number.

It is an amenable number.

2545548068529 is a deficient number, since it is larger than the sum of its proper divisors (1143101994387).

2545548068529 is a wasteful number, since it uses less digits than its factorization.

2545548068529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903638256 (or 903638253 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 63.

The spelling of 2545548068529 in words is "two trillion, five hundred forty-five billion, five hundred forty-eight million, sixty-eight thousand, five hundred twenty-nine".