2439425871 has 24 divisors (see below), whose sum is σ = 3551366000. Its totient is φ = 1613520000.

The previous prime is 2439425809. The next prime is 2439425921. The reversal of 2439425871 is 1785249342.

2439425871 is a `hidden beast` number, since 2 + 4 + 394 + 258 + 7 + 1 = 666.

It is not a de Polignac number, because 2439425871 - 2²³ = 2431037263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439425071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811371 + ... + 814371.

Almost surely, 2^2439425871 is an apocalyptic number.

2439425871 is a deficient number, since it is larger than the sum of its proper divisors (1111940129).

2439425871 is a wasteful number, since it uses less digits than its factorization.

2439425871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3684 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2439425871 is about 49390.5443480835. The cubic root of 2439425871 is about 1346.1574998195.

The spelling of 2439425871 in words is "two billion, four hundred thirty-nine million, four hundred twenty-five thousand, eight hundred seventy-one".