4353121045 has 40 divisors (see below), whose sum is σ = 6563011896. Its totient is φ = 2755283328.

The previous prime is 4353121021. The next prime is 4353121049. The reversal of 4353121045 is 5401213534.

It can be written as a sum of positive squares in 4 ways, for example, as 1026946116 + 3326174929 = 32046^2 + 57673^2 .

It is not a de Polignac number, because 4353121045 - 2¹¹ = 4353118997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4353121049) 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 39 ways as a sum of consecutive naturals, for example, 142119 + ... + 170011.

Almost surely, 2^4353121045 is an apocalyptic number.

It is an amenable number.

4353121045 is a deficient number, since it is larger than the sum of its proper divisors (2209890851).

4353121045 is an equidigital number, since it uses as much as digits as its factorization.

4353121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27939 (or 27918 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4353121045 is about 65978.1861299627. The cubic root of 4353121045 is about 1632.8022162023.

Adding to 4353121045 its reverse (5401213534), we get a palindrome (9754334579).

The spelling of 4353121045 in words is "four billion, three hundred fifty-three million, one hundred twenty-one thousand, forty-five".