810045042195 has 16 divisors (see below), whose sum is σ = 1296084752640. Its totient is φ = 432019794144.

The previous prime is 810045042187. The next prime is 810045042199. The reversal of 810045042195 is 591240540018.

It is not a de Polignac number, because 810045042195 - 2³ = 810045042187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (810045042199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881346 + ... + 2271464.

It is an arithmetic number, because the mean of its divisors is an integer number (81005297040).

Almost surely, 2^810045042195 is an apocalyptic number.

810045042195 is a deficient number, since it is larger than the sum of its proper divisors (486039710445).

810045042195 is a wasteful number, since it uses less digits than its factorization.

810045042195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528554.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 810045042195 in words is "eight hundred ten billion, forty-five million, forty-two thousand, one hundred ninety-five".