4289345649 has 12 divisors (see below), whose sum is σ = 6282986112. Its totient is φ = 2819287800.

The previous prime is 4289345639. The next prime is 4289345653. The reversal of 4289345649 is 9465439824.

4289345649 is a `hidden beast` number, since 42 + 8 + 9 + 34 + 564 + 9 = 666.

It is not a de Polignac number, because 4289345649 - 2⁷ = 4289345521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4289345595 and 4289345604.

It is not an unprimeable number, because it can be changed into a prime (4289345639) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3355657 + ... + 3356934.

It is an arithmetic number, because the mean of its divisors is an integer number (523582176).

Almost surely, 2^4289345649 is an apocalyptic number.

It is an amenable number.

4289345649 is a deficient number, since it is larger than the sum of its proper divisors (1993640463).

4289345649 is a wasteful number, since it uses less digits than its factorization.

4289345649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712668 (or 6712665 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 4289345649 is about 65493.0961934157. The cubic root of 4289345649 is about 1624.7891669981.

The spelling of 4289345649 in words is "four billion, two hundred eighty-nine million, three hundred forty-five thousand, six hundred forty-nine".