42242004361 has 2 divisors, whose sum is σ = 42242004362. Its totient is φ = 42242004360.

The previous prime is 42242004319. The next prime is 42242004433. The reversal of 42242004361 is 16340024224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25811635600 + 16430368761 = 160660^2 + 128181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42242004361 is a prime.

It is not a weakly prime, because it can be changed into another prime (42240004361) 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 as a sum of consecutive naturals, namely, 21121002180 + 21121002181.

It is an arithmetic number, because the mean of its divisors is an integer number (21121002181).

Almost surely, 2^42242004361 is an apocalyptic number.

It is an amenable number.

42242004361 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242004361 is an equidigital number, since it uses as much as digits as its factorization.

42242004361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42242004361 its reverse (16340024224), we get a palindrome (58582028585).

The spelling of 42242004361 in words is "forty-two billion, two hundred forty-two million, four thousand, three hundred sixty-one".