834450019 has 8 divisors (see below), whose sum is σ = 900411120. Its totient is φ = 768742176.

The previous prime is 834450017. The next prime is 834450041. The reversal of 834450019 is 910054438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 834450019 - 2¹ = 834450017 is a prime.

It is a super-2 number, since 2×834450019² = 1392613668418200722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834450017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56437 + ... + 69670.

It is an arithmetic number, because the mean of its divisors is an integer number (112551390).

Almost surely, 2^834450019 is an apocalyptic number.

834450019 is a deficient number, since it is larger than the sum of its proper divisors (65961101).

834450019 is a wasteful number, since it uses less digits than its factorization.

834450019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126629.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 834450019 is about 28886.8485473926. The cubic root of 834450019 is about 941.4561778453.

The spelling of 834450019 in words is "eight hundred thirty-four million, four hundred fifty thousand, nineteen".