4249734725 has 18 divisors (see below), whose sum is σ = 5508765906. Its totient is φ = 3251960800.

The previous prime is 4249734707. The next prime is 4249734737. The reversal of 4249734725 is 5274379424.

It can be written as a sum of positive squares in 3 ways, for example, as 1207771009 + 3041963716 = 34753^2 + 55154^2 .

It is not a de Polignac number, because 4249734725 - 2⁶ = 4249734661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4249734725.

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 17 ways as a sum of consecutive naturals, for example, 147446 + ... + 173895.

Almost surely, 2^4249734725 is an apocalyptic number.

It is an amenable number.

4249734725 is a deficient number, since it is larger than the sum of its proper divisors (1259031181).

4249734725 is a wasteful number, since it uses less digits than its factorization.

4249734725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321397 (or 321369 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The square root of 4249734725 is about 65189.9894539031. The cubic root of 4249734725 is about 1619.7721984465.

The spelling of 4249734725 in words is "four billion, two hundred forty-nine million, seven hundred thirty-four thousand, seven hundred twenty-five".