2389723425 has 48 divisors (see below), whose sum is σ = 4439448000. Its totient is φ = 1260167040.

The previous prime is 2389723421. The next prime is 2389723471. The reversal of 2389723425 is 5243279832.

2389723425 is a `hidden beast` number, since 238 + 9 + 72 + 342 + 5 = 666.

It is not a de Polignac number, because 2389723425 - 2² = 2389723421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2389723421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40186 + ... + 79964.

It is an arithmetic number, because the mean of its divisors is an integer number (92488500).

Almost surely, 2^2389723425 is an apocalyptic number.

2389723425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2389723425 is a deficient number, since it is larger than the sum of its proper divisors (2049724575).

2389723425 is a wasteful number, since it uses less digits than its factorization.

2389723425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39887 (or 39876 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 2389723425 is about 48884.7974834713. The cubic root of 2389723425 is about 1336.9522000429.

The spelling of 2389723425 in words is "two billion, three hundred eighty-nine million, seven hundred twenty-three thousand, four hundred twenty-five".