2079804813 has 4 divisors (see below), whose sum is σ = 2773073088. Its totient is φ = 1386536540.

The previous prime is 2079804799. The next prime is 2079804829. The reversal of 2079804813 is 3184089702.

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 2079804813 - 2⁸ = 2079804557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079804893) 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, 346634133 + ... + 346634138.

It is an arithmetic number, because the mean of its divisors is an integer number (693268272).

Almost surely, 2^2079804813 is an apocalyptic number.

It is an amenable number.

2079804813 is a deficient number, since it is larger than the sum of its proper divisors (693268275).

2079804813 is an equidigital number, since it uses as much as digits as its factorization.

2079804813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693268274.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2079804813 is about 45604.8770747165. The cubic root of 2079804813 is about 1276.4609296170.

The spelling of 2079804813 in words is "two billion, seventy-nine million, eight hundred four thousand, eight hundred thirteen".