42204024461 has 2 divisors, whose sum is σ = 42204024462. Its totient is φ = 42204024460.

The previous prime is 42204024439. The next prime is 42204024487. The reversal of 42204024461 is 16442040224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30004821961 + 12199202500 = 173219^2 + 110450^2 .

It is a cyclic number.

It is not a de Polignac number, because 42204024461 - 2⁶ = 42204024397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42204020461) 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, 21102012230 + 21102012231.

It is an arithmetic number, because the mean of its divisors is an integer number (21102012231).

Almost surely, 2^42204024461 is an apocalyptic number.

It is an amenable number.

42204024461 is a deficient number, since it is larger than the sum of its proper divisors (1).

42204024461 is an equidigital number, since it uses as much as digits as its factorization.

42204024461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42204024461 its reverse (16442040224), we get a palindrome (58646064685).

The spelling of 42204024461 in words is "forty-two billion, two hundred four million, twenty-four thousand, four hundred sixty-one".