810746349020 has 12 divisors (see below), whose sum is σ = 1702567332984. Its totient is φ = 324298539600.

The previous prime is 810746349011. The next prime is 810746349029. The reversal of 810746349020 is 20943647018.

It is an interprime number because it is at equal distance from previous prime (810746349011) and next prime (810746349029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810746349029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20268658706 + ... + 20268658745.

It is an arithmetic number, because the mean of its divisors is an integer number (141880611082).

Almost surely, 2^810746349020 is an apocalyptic number.

It is an amenable number.

810746349020 is an abundant number, since it is smaller than the sum of its proper divisors (891820983964).

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

810746349020 is a wasteful number, since it uses less digits than its factorization.

810746349020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40537317460 (or 40537317458 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 810746349020 in words is "eight hundred ten billion, seven hundred forty-six million, three hundred forty-nine thousand, twenty".