8305020019 has 2 divisors, whose sum is σ = 8305020020. Its totient is φ = 8305020018.

The previous prime is 8305019993. The next prime is 8305020071. The reversal of 8305020019 is 9100205038.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8305020019 is a prime.

It is a super-2 number, since 2×8305020019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8305020719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4152510009 + 4152510010.

It is an arithmetic number, because the mean of its divisors is an integer number (4152510010).

Almost surely, 2^8305020019 is an apocalyptic number.

8305020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

8305020019 is an equidigital number, since it uses as much as digits as its factorization.

8305020019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 8305020019 is about 91131.8825603861. The cubic root of 8305020019 is about 2025.1019625741.

The spelling of 8305020019 in words is "eight billion, three hundred five million, twenty thousand, nineteen".