834905419 has 2 divisors, whose sum is σ = 834905420. Its totient is φ = 834905418.

The previous prime is 834905399. The next prime is 834905431. The reversal of 834905419 is 914509438.

It is a happy number.

834905419 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 834905419 - 2²⁹ = 298034507 is a prime.

It is a super-2 number, since 2×834905419² = 1394134117351131122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (834905219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417452709 + 417452710.

It is an arithmetic number, because the mean of its divisors is an integer number (417452710).

Almost surely, 2^834905419 is an apocalyptic number.

834905419 is a deficient number, since it is larger than the sum of its proper divisors (1).

834905419 is an equidigital number, since it uses as much as digits as its factorization.

834905419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 834905419 is about 28894.7299520172. The cubic root of 834905419 is about 941.6274128554.

The spelling of 834905419 in words is "eight hundred thirty-four million, nine hundred five thousand, four hundred nineteen".