4243642450063 has 8 divisors (see below), whose sum is σ = 4434108484608. Its totient is φ = 4053673068984.

The previous prime is 4243642450057. The next prime is 4243642450127. The reversal of 4243642450063 is 3600542463424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4243642450063 - 2²¹ = 4243640352911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243642450043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124145895 + ... + 124180072.

It is an arithmetic number, because the mean of its divisors is an integer number (554263560576).

Almost surely, 2^{4243642450063} is an apocalyptic number.

4243642450063 is a deficient number, since it is larger than the sum of its proper divisors (190466034545).

4243642450063 is a wasteful number, since it uses less digits than its factorization.

4243642450063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248326733.

The product of its (nonzero) digits is 1658880, while the sum is 43.

The spelling of 4243642450063 in words is "four trillion, two hundred forty-three billion, six hundred forty-two million, four hundred fifty thousand, sixty-three".