4245120393813 has 24 divisors (see below), whose sum is σ = 6604688548640. Its totient is φ = 2611919740320.

The previous prime is 4245120393799. The next prime is 4245120393821. The reversal of 4245120393813 is 3183930215424.

It is a happy number.

4245120393813 is a `hidden beast` number, since 4 + 24 + 512 + 0 + 39 + 3 + 81 + 3 = 666.

4245120393813 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4245120393813 - 2⁸ = 4245120393557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245120393883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2543683 + ... + 3867888.

Almost surely, 2^{4245120393813} is an apocalyptic number.

It is an amenable number.

4245120393813 is a deficient number, since it is larger than the sum of its proper divisors (2359568154827).

4245120393813 is a wasteful number, since it uses less digits than its factorization.

4245120393813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417249 (or 6417246 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 4245120393813 in words is "four trillion, two hundred forty-five billion, one hundred twenty million, three hundred ninety-three thousand, eight hundred thirteen".