42352361665 has 16 divisors (see below), whose sum is σ = 52477618176. Its totient is φ = 32779339200.

The previous prime is 42352361659. The next prime is 42352361683. The reversal of 42352361665 is 56616325324.

It is not a de Polignac number, because 42352361665 - 2⁵ = 42352361633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516904 + ... + 593206.

It is an arithmetic number, because the mean of its divisors is an integer number (3279851136).

Almost surely, 2^42352361665 is an apocalyptic number.

It is an amenable number.

42352361665 is a deficient number, since it is larger than the sum of its proper divisors (10125256511).

42352361665 is a wasteful number, since it uses less digits than its factorization.

42352361665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79920.

The product of its digits is 777600, while the sum is 43.

Adding to 42352361665 its reverse (56616325324), we get a palindrome (98968686989).

The spelling of 42352361665 in words is "forty-two billion, three hundred fifty-two million, three hundred sixty-one thousand, six hundred sixty-five".