834521101606830 has 64 divisors (see below), whose sum is σ = 2184962744505600. Its totient is φ = 202304926456320.

The previous prime is 834521101606823. The next prime is 834521101606831. The reversal of 834521101606830 is 38606101125438.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 834521101606830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834521101606831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680166 + ... + 40859574.

It is an arithmetic number, because the mean of its divisors is an integer number (34140042882900).

Almost surely, 2^{834521101606830} is an apocalyptic number.

834521101606830 is an abundant number, since it is smaller than the sum of its proper divisors (1350441642898770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834521101606830 is a wasteful number, since it uses less digits than its factorization.

834521101606830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40242369.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 834521101606830 in words is "eight hundred thirty-four trillion, five hundred twenty-one billion, one hundred one million, six hundred six thousand, eight hundred thirty".