834330958421 has 8 divisors (see below), whose sum is σ = 868269265920. Its totient is φ = 800737202608.

The previous prime is 834330958397. The next prime is 834330958463. The reversal of 834330958421 is 124859033438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834330958421 is a prime.

It is a super-2 number, since 2×834330958421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834330958421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834360958421) 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, 86132981 + ... + 86142666.

It is an arithmetic number, because the mean of its divisors is an integer number (108533658240).

Almost surely, 2^834330958421 is an apocalyptic number.

It is an amenable number.

834330958421 is a deficient number, since it is larger than the sum of its proper divisors (33938307499).

834330958421 is a wasteful number, since it uses less digits than its factorization.

834330958421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172275843.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 834330958421 in words is "eight hundred thirty-four billion, three hundred thirty million, nine hundred fifty-eight thousand, four hundred twenty-one".