810696809832 has 256 divisors, whose sum is σ = 2692666368000. Its totient is φ = 197461490688.

The previous prime is 810696809821. The next prime is 810696809833. The reversal of 810696809832 is 238908696018.

It is a happy number.

810696809832 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (810696809833) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1178469 + ... + 1734987.

It is an arithmetic number, because the mean of its divisors is an integer number (10518228000).

Almost surely, 2^810696809832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810696809832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346333184000).

810696809832 is an abundant number, since it is smaller than the sum of its proper divisors (1881969558168).

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

810696809832 is a wasteful number, since it uses less digits than its factorization.

810696809832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556600 (or 556596 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 810696809832 in words is "eight hundred ten billion, six hundred ninety-six million, eight hundred nine thousand, eight hundred thirty-two".