4172255649 has 15 divisors (see below), whose sum is σ = 6233497347. Its totient is φ = 2781116208.

The previous prime is 4172255627. The next prime is 4172255663. The reversal of 4172255649 is 9465522714.

The square root of 4172255649 is 64593.

It is a perfect power (a square), and thus also a powerful number.

4172255649 is a `hidden beast` number, since 417 + 225 + 5 + 6 + 4 + 9 = 666.

4172255649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3895632225 + 276623424 = 62415^2 + 16632^2 .

It is not a de Polignac number, because 4172255649 - 2¹¹ = 4172253601 is a prime.

It is a super-2 number, since 2×4172255649² = 34815434401224822402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4172255669) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 577749 + ... + 584925.

Almost surely, 2^4172255649 is an apocalyptic number.

4172255649 is the 64593-rd square number.

4172255649 is the 32297-th centered octagonal number.

It is an amenable number.

4172255649 is a deficient number, since it is larger than the sum of its proper divisors (2061241698).

4172255649 is an frugal number, since it uses more digits than its factorization.

4172255649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14366 (or 7180 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The cubic root of 4172255649 is about 1609.8681333043.

The spelling of 4172255649 in words is "four billion, one hundred seventy-two million, two hundred fifty-five thousand, six hundred forty-nine".