4258021745 has 8 divisors (see below), whose sum is σ = 5179621416. Its totient is φ = 3359753856.

The previous prime is 4258021673. The next prime is 4258021769. The reversal of 4258021745 is 5471208524.

It can be written as a sum of positive squares in 4 ways, for example, as 139334416 + 4118687329 = 11804^2 + 64177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4258021745 - 2²⁰ = 4256973169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4258021699 and 4258021708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5832542 + ... + 5833271.

It is an arithmetic number, because the mean of its divisors is an integer number (647452677).

Almost surely, 2^4258021745 is an apocalyptic number.

It is an amenable number.

4258021745 is a deficient number, since it is larger than the sum of its proper divisors (921599671).

4258021745 is a wasteful number, since it uses less digits than its factorization.

4258021745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665891.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 4258021745 is about 65253.5190238810. The cubic root of 4258021745 is about 1620.8243714932.

The spelling of 4258021745 in words is "four billion, two hundred fifty-eight million, twenty-one thousand, seven hundred forty-five".