814945611 has 4 divisors (see below), whose sum is σ = 1086594152. Its totient is φ = 543297072.

The previous prime is 814945567. The next prime is 814945613. The reversal of 814945611 is 116549418.

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

It is not a de Polignac number, because 814945611 - 2¹⁹ = 814421323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 814945611.

It is not an unprimeable number, because it can be changed into a prime (814945613) 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 3 ways as a sum of consecutive naturals, for example, 135824266 + ... + 135824271.

It is an arithmetic number, because the mean of its divisors is an integer number (271648538).

Almost surely, 2^814945611 is an apocalyptic number.

814945611 is a deficient number, since it is larger than the sum of its proper divisors (271648541).

814945611 is a wasteful number, since it uses less digits than its factorization.

814945611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271648540.

The product of its digits is 34560, while the sum is 39.

The square root of 814945611 is about 28547.2522495599. The cubic root of 814945611 is about 934.0630842794.

The spelling of 814945611 in words is "eight hundred fourteen million, nine hundred forty-five thousand, six hundred eleven".