810834192194 has 16 divisors (see below), whose sum is σ = 1309829476032. Its totient is φ = 374225338128.

The previous prime is 810834192107. The next prime is 810834192197. The reversal of 810834192194 is 491291438018.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (810834192197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775507 + ... + 2184969.

It is an arithmetic number, because the mean of its divisors is an integer number (81864342252).

Almost surely, 2^810834192194 is an apocalyptic number.

810834192194 is a deficient number, since it is larger than the sum of its proper divisors (498995283838).

810834192194 is a wasteful number, since it uses less digits than its factorization.

810834192194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485641.

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 810834192194 in words is "eight hundred ten billion, eight hundred thirty-four million, one hundred ninety-two thousand, one hundred ninety-four".