4389145525 has 12 divisors (see below), whose sum is σ = 5558340672. Its totient is φ = 3436606640.

The previous prime is 4389145511. The next prime is 4389145529. The reversal of 4389145525 is 5255419834.

It is not a de Polignac number, because 4389145525 - 2²⁷ = 4254927797 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 (4389145529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866547 + ... + 1868896.

It is an arithmetic number, because the mean of its divisors is an integer number (463195056).

Almost surely, 2^4389145525 is an apocalyptic number.

It is an amenable number.

4389145525 is a deficient number, since it is larger than the sum of its proper divisors (1169195147).

4389145525 is a wasteful number, since it uses less digits than its factorization.

4389145525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735500 (or 3735495 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The square root of 4389145525 is about 66250.6266008104. The cubic root of 4389145525 is about 1637.2939616062.

The spelling of 4389145525 in words is "four billion, three hundred eighty-nine million, one hundred forty-five thousand, five hundred twenty-five".