2539205368 has 16 divisors (see below), whose sum is σ = 5441154480. Its totient is φ = 1088230848.

The previous prime is 2539205363. The next prime is 2539205371. The reversal of 2539205368 is 8635029352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539205363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22671421 + ... + 22671532.

It is an arithmetic number, because the mean of its divisors is an integer number (340072155).

Almost surely, 2^2539205368 is an apocalyptic number.

2539205368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2539205368 is an abundant number, since it is smaller than the sum of its proper divisors (2901949112).

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

2539205368 is a wasteful number, since it uses less digits than its factorization.

2539205368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45342966 (or 45342962 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 2539205368 is about 50390.5285544813. The cubic root of 2539205368 is about 1364.2666910582.

The spelling of 2539205368 in words is "two billion, five hundred thirty-nine million, two hundred five thousand, three hundred sixty-eight".