830821809210 has 32 divisors (see below), whose sum is σ = 2111264834112. Its totient is φ = 208519983360.

The previous prime is 830821809203. The next prime is 830821809239. The reversal of 830821809210 is 12908128038.

830821809210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814530676 + ... + 814531695.

It is an arithmetic number, because the mean of its divisors is an integer number (65977026066).

Almost surely, 2^830821809210 is an apocalyptic number.

830821809210 is an abundant number, since it is smaller than the sum of its proper divisors (1280443024902).

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

830821809210 is a wasteful number, since it uses less digits than its factorization.

830821809210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629062398.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 830821809210 in words is "eight hundred thirty billion, eight hundred twenty-one million, eight hundred nine thousand, two hundred ten".