42363213665 has 32 divisors (see below), whose sum is σ = 56191366656. Its totient is φ = 30496660480.

The previous prime is 42363213611. The next prime is 42363213667. The reversal of 42363213665 is 56631236324.

It is not a de Polignac number, because 42363213665 - 2¹⁶ = 42363148129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42363213667) 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 31 ways as a sum of consecutive naturals, for example, 7079975 + ... + 7085955.

It is an arithmetic number, because the mean of its divisors is an integer number (1755980208).

Almost surely, 2^42363213665 is an apocalyptic number.

It is an amenable number.

42363213665 is a deficient number, since it is larger than the sum of its proper divisors (13828152991).

42363213665 is a wasteful number, since it uses less digits than its factorization.

42363213665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9649.

The product of its digits is 466560, while the sum is 41.

Adding to 42363213665 its reverse (56631236324), we get a palindrome (98994449989).

The spelling of 42363213665 in words is "forty-two billion, three hundred sixty-three million, two hundred thirteen thousand, six hundred sixty-five".