3245140323553 has 12 divisors (see below), whose sum is σ = 3317106083860. Its totient is φ = 3174704703072.

The previous prime is 3245140323541. The next prime is 3245140323571. The reversal of 3245140323553 is 3553230415423.

3245140323553 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 2 ways, for example, as 1535971071649 + 1709169251904 = 1239343^2 + 1307352^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3245140323553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3245140326553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4744903 + ... + 5385571.

Almost surely, 2^{3245140323553} is an apocalyptic number.

It is an amenable number.

3245140323553 is a deficient number, since it is larger than the sum of its proper divisors (71965760307).

3245140323553 is an equidigital number, since it uses as much as digits as its factorization.

3245140323553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643056 (or 643009 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 3245140323553 its reverse (3553230415423), we get a palindrome (6798370738976).

The spelling of 3245140323553 in words is "three trillion, two hundred forty-five billion, one hundred forty million, three hundred twenty-three thousand, five hundred fifty-three".