4694566249 has 4 divisors (see below), whose sum is σ = 4714714836. Its totient is φ = 4674417664.

The previous prime is 4694566241. The next prime is 4694566273. The reversal of 4694566249 is 9426654964.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2123366400 + 2571199849 = 46080^2 + 50707^2 .

It is a cyclic number.

It is not a de Polignac number, because 4694566249 - 2³ = 4694566241 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 4694566249.

It is not an unprimeable number, because it can be changed into a prime (4694566241) 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 3 ways as a sum of consecutive naturals, for example, 10073944 + ... + 10074409.

It is an arithmetic number, because the mean of its divisors is an integer number (1178678709).

Almost surely, 2^4694566249 is an apocalyptic number.

It is an amenable number.

4694566249 is a deficient number, since it is larger than the sum of its proper divisors (20148587).

4694566249 is a wasteful number, since it uses less digits than its factorization.

4694566249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20148586.

The product of its digits is 11197440, while the sum is 55.

The square root of 4694566249 is about 68516.9048410682. The cubic root of 4694566249 is about 1674.4229094169.

The spelling of 4694566249 in words is "four billion, six hundred ninety-four million, five hundred sixty-six thousand, two hundred forty-nine".