2549878485 has 64 divisors (see below), whose sum is σ = 5102383104. Its totient is φ = 1056384000.

The previous prime is 2549878483. The next prime is 2549878493. The reversal of 2549878485 is 5848789452.

It is not a de Polignac number, because 2549878485 - 2¹ = 2549878483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549878481) 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 63 ways as a sum of consecutive naturals, for example, 385960 + ... + 392510.

It is an arithmetic number, because the mean of its divisors is an integer number (79724736).

Almost surely, 2^2549878485 is an apocalyptic number.

It is an amenable number.

2549878485 is an abundant number, since it is smaller than the sum of its proper divisors (2552504619).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2549878485 is a wasteful number, since it uses less digits than its factorization.

2549878485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914.

The product of its digits is 25804800, while the sum is 60.

The square root of 2549878485 is about 50496.3214996895. The cubic root of 2549878485 is about 1366.1755065975.

The spelling of 2549878485 in words is "two billion, five hundred forty-nine million, eight hundred seventy-eight thousand, four hundred eighty-five".