42352361633 has 2 divisors, whose sum is σ = 42352361634. Its totient is φ = 42352361632.

The previous prime is 42352361609. The next prime is 42352361659. The reversal of 42352361633 is 33616325324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29086620304 + 13265741329 = 170548^2 + 115177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42352361633 is a prime.

It is not a weakly prime, because it can be changed into another prime (42352361683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21176180816 + 21176180817.

It is an arithmetic number, because the mean of its divisors is an integer number (21176180817).

Almost surely, 2^42352361633 is an apocalyptic number.

It is an amenable number.

42352361633 is a deficient number, since it is larger than the sum of its proper divisors (1).

42352361633 is an equidigital number, since it uses as much as digits as its factorization.

42352361633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 38.

Adding to 42352361633 its reverse (33616325324), we get a palindrome (75968686957).

The spelling of 42352361633 in words is "forty-two billion, three hundred fifty-two million, three hundred sixty-one thousand, six hundred thirty-three".