334890019 has 2 divisors, whose sum is σ = 334890020. Its totient is φ = 334890018.

The previous prime is 334890011. The next prime is 334890037. The reversal of 334890019 is 910098433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 334890019 - 2³ = 334890011 is a prime.

It is a super-2 number, since 2×334890019² = 224302649651640722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 334890019.

It is not a weakly prime, because it can be changed into another prime (334890011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167445009 + 167445010.

It is an arithmetic number, because the mean of its divisors is an integer number (167445010).

Almost surely, 2^334890019 is an apocalyptic number.

334890019 is a deficient number, since it is larger than the sum of its proper divisors (1).

334890019 is an equidigital number, since it uses as much as digits as its factorization.

334890019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 334890019 is about 18300.0005191257. Note that the first 3 decimals coincide. The cubic root of 334890019 is about 694.4389440522.

The spelling of 334890019 in words is "three hundred thirty-four million, eight hundred ninety thousand, nineteen".