2439828725 has 12 divisors (see below), whose sum is σ = 3129712260. Its totient is φ = 1884556800.

The previous prime is 2439828719. The next prime is 2439828737. The reversal of 2439828725 is 5278289342.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 96687889 + 2343140836 = 9833^2 + 48406^2 .

It is not a de Polignac number, because 2439828725 - 2⁴ = 2439828709 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1681916 + ... + 1683365.

It is an arithmetic number, because the mean of its divisors is an integer number (260809355).

Almost surely, 2^2439828725 is an apocalyptic number.

2439828725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2439828725 is a deficient number, since it is larger than the sum of its proper divisors (689883535).

2439828725 is a wasteful number, since it uses less digits than its factorization.

2439828725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365320 (or 3365315 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 2439828725 is about 49394.6224299771. The cubic root of 2439828725 is about 1346.2315985504.

The spelling of 2439828725 in words is "two billion, four hundred thirty-nine million, eight hundred twenty-eight thousand, seven hundred twenty-five".