810829396142 has 16 divisors (see below), whose sum is σ = 1216880669664. Its totient is φ = 405202560000.

The previous prime is 810829396141. The next prime is 810829396193. The reversal of 810829396142 is 241693928018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810829396141) 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, 65430767 + ... + 65443157.

It is an arithmetic number, because the mean of its divisors is an integer number (76055041854).

Almost surely, 2^810829396142 is an apocalyptic number.

810829396142 is a deficient number, since it is larger than the sum of its proper divisors (406051273522).

810829396142 is a wasteful number, since it uses less digits than its factorization.

810829396142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26875.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 810829396142 in words is "eight hundred ten billion, eight hundred twenty-nine million, three hundred ninety-six thousand, one hundred forty-two".