42821000303 has 2 divisors, whose sum is σ = 42821000304. Its totient is φ = 42821000302.

The previous prime is 42821000297. The next prime is 42821000323. The reversal of 42821000303 is 30300012824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42821000303 - 2³⁴ = 25641131119 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42821000323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21410500151 + 21410500152.

It is an arithmetic number, because the mean of its divisors is an integer number (21410500152).

Almost surely, 2^42821000303 is an apocalyptic number.

42821000303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42821000303 is an equidigital number, since it uses as much as digits as its factorization.

42821000303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 42821000303 in words is "forty-two billion, eight hundred twenty-one million, three hundred three", and thus it is an aban number.