42420545303 has 2 divisors, whose sum is σ = 42420545304. Its totient is φ = 42420545302.

The previous prime is 42420545261. The next prime is 42420545311. The reversal of 42420545303 is 30354502424.

42420545303 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 is a cyclic number.

It is not a de Polignac number, because 42420545303 - 2⁸ = 42420545047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42420545303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42420542303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21210272651 + 21210272652.

It is an arithmetic number, because the mean of its divisors is an integer number (21210272652).

Almost surely, 2^42420545303 is an apocalyptic number.

42420545303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42420545303 is an equidigital number, since it uses as much as digits as its factorization.

42420545303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 42420545303 in words is "forty-two billion, four hundred twenty million, five hundred forty-five thousand, three hundred three".