42200426617 has 2 divisors, whose sum is σ = 42200426618. Its totient is φ = 42200426616.

The previous prime is 42200426581. The next prime is 42200426669. The reversal of 42200426617 is 71662400224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41935257961 + 265168656 = 204781^2 + 16284^2 .

It is a cyclic number.

It is not a de Polignac number, because 42200426617 - 2¹¹ = 42200424569 is a prime.

It is not a weakly prime, because it can be changed into another prime (42200426417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100213308 + 21100213309.

It is an arithmetic number, because the mean of its divisors is an integer number (21100213309).

Almost surely, 2^42200426617 is an apocalyptic number.

It is an amenable number.

42200426617 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200426617 is an equidigital number, since it uses as much as digits as its factorization.

42200426617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 42200426617 in words is "forty-two billion, two hundred million, four hundred twenty-six thousand, six hundred seventeen".