6442463240041 has 4 divisors (see below), whose sum is σ = 6664617144900. Its totient is φ = 6220309335184.

The previous prime is 6442463240023. The next prime is 6442463240069. The reversal of 6442463240041 is 1400423642446.

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 1250919218025 + 5191544022016 = 1118445^2 + 2278496^2 .

It is a cyclic number.

It is not a de Polignac number, because 6442463240041 - 2⁹ = 6442463239529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6442463239976 and 6442463240003.

It is not an unprimeable number, because it can be changed into a prime (6442463247041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111076952386 + ... + 111076952443.

It is an arithmetic number, because the mean of its divisors is an integer number (1666154286225).

Almost surely, 2^{6442463240041} is an apocalyptic number.

It is an amenable number.

6442463240041 is a deficient number, since it is larger than the sum of its proper divisors (222153904859).

6442463240041 is a wasteful number, since it uses less digits than its factorization.

6442463240041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222153904858.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 6442463240041 its reverse (1400423642446), we get a palindrome (7842886882487).

The spelling of 6442463240041 in words is "six trillion, four hundred forty-two billion, four hundred sixty-three million, two hundred forty thousand, forty-one".