2389439425 has 24 divisors (see below), whose sum is σ = 3021084416. Its totient is φ = 1874283840.

The previous prime is 2389439417. The next prime is 2389439453. The reversal of 2389439425 is 5249349832.

It is not a de Polignac number, because 2389439425 - 2³ = 2389439417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370327 + ... + 376723.

Almost surely, 2^2389439425 is an apocalyptic number.

2389439425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2389439425 is a deficient number, since it is larger than the sum of its proper divisors (631644991).

2389439425 is a wasteful number, since it uses less digits than its factorization.

2389439425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697 (or 6692 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 2389439425 is about 48881.8926086133. The cubic root of 2389439425 is about 1336.8992358292.

The spelling of 2389439425 in words is "two billion, three hundred eighty-nine million, four hundred thirty-nine thousand, four hundred twenty-five".