42100036289 has 2 divisors, whose sum is σ = 42100036290. Its totient is φ = 42100036288.

The previous prime is 42100036169. The next prime is 42100036331. The reversal of 42100036289 is 98263000124.

42100036289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25802960689 + 16297075600 = 160633^2 + 127660^2 .

It is a cyclic number.

It is not a de Polignac number, because 42100036289 - 2²⁰ = 42098987713 is a prime.

It is not a weakly prime, because it can be changed into another prime (42100056289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21050018144 + 21050018145.

It is an arithmetic number, because the mean of its divisors is an integer number (21050018145).

Almost surely, 2^42100036289 is an apocalyptic number.

It is an amenable number.

42100036289 is a deficient number, since it is larger than the sum of its proper divisors (1).

42100036289 is an equidigital number, since it uses as much as digits as its factorization.

42100036289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 42100036289 in words is "forty-two billion, one hundred million, thirty-six thousand, two hundred eighty-nine".