4094312813 has 4 divisors (see below), whose sum is σ = 4103272380. Its totient is φ = 4085353248.

The previous prime is 4094312801. The next prime is 4094312903. The reversal of 4094312813 is 3182134904.

4094312813 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1765092169 + 2329220644 = 42013^2 + 48262^2 .

It is a cyclic number.

It is not a de Polignac number, because 4094312813 - 2⁴ = 4094312797 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 (4094311813) 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, 4479098 + ... + 4480011.

It is an arithmetic number, because the mean of its divisors is an integer number (1025818095).

Almost surely, 2^4094312813 is an apocalyptic number.

It is an amenable number.

4094312813 is a deficient number, since it is larger than the sum of its proper divisors (8959567).

4094312813 is an equidigital number, since it uses as much as digits as its factorization.

4094312813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959566.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4094312813 is about 63986.8174939182. The cubic root of 4094312813 is about 1599.7802840221.

The spelling of 4094312813 in words is "four billion, ninety-four million, three hundred twelve thousand, eight hundred thirteen".