2306078813 has 4 divisors (see below), whose sum is σ = 2349589788. Its totient is φ = 2262567840.

The previous prime is 2306078791. The next prime is 2306078837. The reversal of 2306078813 is 3188706032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1437774724 + 868304089 = 37918^2 + 29467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2306078813 - 2¹⁰ = 2306077789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2306078113) 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, 21755408 + ... + 21755513.

It is an arithmetic number, because the mean of its divisors is an integer number (587397447).

Almost surely, 2^2306078813 is an apocalyptic number.

It is an amenable number.

2306078813 is a deficient number, since it is larger than the sum of its proper divisors (43510975).

2306078813 is an equidigital number, since it uses as much as digits as its factorization.

2306078813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43510974.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2306078813 is about 48021.6494198190. The cubic root of 2306078813 is about 1321.1680075394.

The spelling of 2306078813 in words is "two billion, three hundred six million, seventy-eight thousand, eight hundred thirteen".