2543538838577 has 48 divisors (see below), whose sum is σ = 3064461724800. Its totient is φ = 2099780390400.

The previous prime is 2543538838523. The next prime is 2543538838583. The reversal of 2543538838577 is 7758388353452.

It is not a de Polignac number, because 2543538838577 - 2⁶ = 2543538838513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543538838507) 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 in 47 ways as a sum of consecutive naturals, for example, 90121574 + ... + 90149792.

It is an arithmetic number, because the mean of its divisors is an integer number (63842952600).

Almost surely, 2^{2543538838577} is an apocalyptic number.

It is an amenable number.

2543538838577 is a deficient number, since it is larger than the sum of its proper divisors (520922886223).

2543538838577 is a wasteful number, since it uses less digits than its factorization.

2543538838577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29798 (or 29787 counting only the distinct ones).

The product of its digits is 677376000, while the sum is 68.

The spelling of 2543538838577 in words is "two trillion, five hundred forty-three billion, five hundred thirty-eight million, eight hundred thirty-eight thousand, five hundred seventy-seven".