6243824397645 has 48 divisors (see below), whose sum is σ = 11004377260032. Its totient is φ = 3274581219840.

The previous prime is 6243824397539. The next prime is 6243824397647. The reversal of 6243824397645 is 5467934283426.

It is a happy number.

6243824397645 is a `hidden beast` number, since 6 + 243 + 8 + 243 + 97 + 64 + 5 = 666.

6243824397645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6243824397645 - 2⁸ = 6243824397389 is a prime.

It is a super-3 number, since 3×6243824397645³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6243824397647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4188421 + ... + 5480010.

It is an arithmetic number, because the mean of its divisors is an integer number (229257859584).

Almost surely, 2^{6243824397645} is an apocalyptic number.

It is an amenable number.

6243824397645 is a deficient number, since it is larger than the sum of its proper divisors (4760552862387).

6243824397645 is a wasteful number, since it uses less digits than its factorization.

6243824397645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668682 (or 9668679 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 63.

The spelling of 6243824397645 in words is "six trillion, two hundred forty-three billion, eight hundred twenty-four million, three hundred ninety-seven thousand, six hundred forty-five".