810734671401 has 4 divisors (see below), whose sum is σ = 1080979561872. Its totient is φ = 540489780932.

The previous prime is 810734671393. The next prime is 810734671441. The reversal of 810734671401 is 104176437018.

810734671401 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 a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 810734671401 - 2³ = 810734671393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (810734671441) 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, 135122445231 + ... + 135122445236.

It is an arithmetic number, because the mean of its divisors is an integer number (270244890468).

Almost surely, 2^810734671401 is an apocalyptic number.

It is an amenable number.

810734671401 is a deficient number, since it is larger than the sum of its proper divisors (270244890471).

810734671401 is a wasteful number, since it uses less digits than its factorization.

810734671401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270244890470.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 810734671401 in words is "eight hundred ten billion, seven hundred thirty-four million, six hundred seventy-one thousand, four hundred one".