800464019 has 2 divisors, whose sum is σ = 800464020. Its totient is φ = 800464018.

The previous prime is 800464013. The next prime is 800464037. The reversal of 800464019 is 910464008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 800464019 - 2¹² = 800459923 is a prime.

It is a super-2 number, since 2×800464019² = 1281485291427264722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (800464013) 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, 400232009 + 400232010.

It is an arithmetic number, because the mean of its divisors is an integer number (400232010).

Almost surely, 2^800464019 is an apocalyptic number.

800464019 is a deficient number, since it is larger than the sum of its proper divisors (1).

800464019 is an equidigital number, since it uses as much as digits as its factorization.

800464019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 800464019 is about 28292.4728328932. The cubic root of 800464019 is about 928.4972141499.

The spelling of 800464019 in words is "eight hundred million, four hundred sixty-four thousand, nineteen".