10279806817 has 4 divisors (see below), whose sum is σ = 11748350656. Its totient is φ = 8811262980.

The previous prime is 10279806811. The next prime is 10279806821. The reversal of 10279806817 is 71860897201.

10279806817 is digitally balanced in base 2, because in such base 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 10279806817 - 2⁷ = 10279806689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10279806811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734271909 + ... + 734271922.

It is an arithmetic number, because the mean of its divisors is an integer number (2937087664).

Almost surely, 2^10279806817 is an apocalyptic number.

It is an amenable number.

10279806817 is a deficient number, since it is larger than the sum of its proper divisors (1468543839).

10279806817 is an equidigital number, since it uses as much as digits as its factorization.

10279806817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468543838.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 10279806817 in words is "ten billion, two hundred seventy-nine million, eight hundred six thousand, eight hundred seventeen".