2349189649 has 4 divisors (see below), whose sum is σ = 2393514036. Its totient is φ = 2304865264.

The previous prime is 2349189637. The next prime is 2349189671. The reversal of 2349189649 is 9469819432.

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 1323140625 + 1026049024 = 36375^2 + 32032^2 .

It is a cyclic number.

It is not a de Polignac number, because 2349189649 - 2⁹ = 2349189137 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 2349189649.

It is not an unprimeable number, because it can be changed into a prime (2349189449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22162114 + ... + 22162219.

It is an arithmetic number, because the mean of its divisors is an integer number (598378509).

Almost surely, 2^2349189649 is an apocalyptic number.

It is an amenable number.

2349189649 is a deficient number, since it is larger than the sum of its proper divisors (44324387).

2349189649 is an equidigital number, since it uses as much as digits as its factorization.

2349189649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44324386.

The product of its digits is 3359232, while the sum is 55.

The square root of 2349189649 is about 48468.4397211216. The cubic root of 2349189649 is about 1329.3500600771.

The spelling of 2349189649 in words is "two billion, three hundred forty-nine million, one hundred eighty-nine thousand, six hundred forty-nine".