2813438966 has 8 divisors (see below), whose sum is σ = 4544786064. Its totient is φ = 1298510280.

The previous prime is 2813438963. The next prime is 2813439017. The reversal of 2813438966 is 6698343182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813438963) 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, 54104570 + ... + 54104621.

It is an arithmetic number, because the mean of its divisors is an integer number (568098258).

Almost surely, 2^2813438966 is an apocalyptic number.

2813438966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2813438966 is a deficient number, since it is larger than the sum of its proper divisors (1731347098).

2813438966 is a wasteful number, since it uses less digits than its factorization.

2813438966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108209206.

The product of its digits is 1492992, while the sum is 50.

The square root of 2813438966 is about 53041.8605065848. The cubic root of 2813438966 is about 1411.7111104367.

The spelling of 2813438966 in words is "two billion, eight hundred thirteen million, four hundred thirty-eight thousand, nine hundred sixty-six".