2539684760 has 16 divisors (see below), whose sum is σ = 5714290800. Its totient is φ = 1015873888.

The previous prime is 2539684759. The next prime is 2539684769. The reversal of 2539684760 is 674869352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2539684699 and 2539684708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539684769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31746020 + ... + 31746099.

It is an arithmetic number, because the mean of its divisors is an integer number (357143175).

Almost surely, 2^2539684760 is an apocalyptic number.

2539684760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2539684760 is an abundant number, since it is smaller than the sum of its proper divisors (3174606040).

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

2539684760 is a wasteful number, since it uses less digits than its factorization.

2539684760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63492130 (or 63492126 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 2539684760 is about 50395.2850969215. The cubic root of 2539684760 is about 1364.3525417199.

The spelling of 2539684760 in words is "two billion, five hundred thirty-nine million, six hundred eighty-four thousand, seven hundred sixty".