814945311 has 6 divisors (see below), whose sum is σ = 1177143240. Its totient is φ = 543296868.

The previous prime is 814945309. The next prime is 814945319. The reversal of 814945311 is 113549418.

814945311 is a `hidden beast` number, since 81 + 49 + 4 + 531 + 1 = 666.

It is not a de Polignac number, because 814945311 - 2¹ = 814945309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814945319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45274731 + ... + 45274748.

It is an arithmetic number, because the mean of its divisors is an integer number (196190540).

Almost surely, 2^814945311 is an apocalyptic number.

814945311 is a deficient number, since it is larger than the sum of its proper divisors (362197929).

814945311 is a wasteful number, since it uses less digits than its factorization.

814945311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90549485 (or 90549482 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 814945311 is about 28547.2469951132. The cubic root of 814945311 is about 934.0629696627.

The spelling of 814945311 in words is "eight hundred fourteen million, nine hundred forty-five thousand, three hundred eleven".