4529779725 has 24 divisors (see below), whose sum is σ = 7491326080. Its totient is φ = 2415208320.

The previous prime is 4529779703. The next prime is 4529779733. The reversal of 4529779725 is 5279779254.

It is a happy number.

4529779725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4529779725 - 2¹² = 4529775629 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381681 + ... + 393369.

Almost surely, 2^4529779725 is an apocalyptic number.

It is an amenable number.

4529779725 is a deficient number, since it is larger than the sum of its proper divisors (2961546355).

4529779725 is a wasteful number, since it uses less digits than its factorization.

4529779725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16869 (or 16864 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 57.

The square root of 4529779725 is about 67303.6382746134. The cubic root of 4529779725 is about 1654.5974900636.

The spelling of 4529779725 in words is "four billion, five hundred twenty-nine million, seven hundred seventy-nine thousand, seven hundred twenty-five".