814818949 has 8 divisors (see below), whose sum is σ = 931449600. Its totient is φ = 698245296.

The previous prime is 814818947. The next prime is 814819013. The reversal of 814818949 is 949818418.

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

It is not a de Polignac number, because 814818949 - 2¹ = 814818947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814818896 and 814818905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814818947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22827 + ... + 46375.

It is an arithmetic number, because the mean of its divisors is an integer number (116431200).

Almost surely, 2^814818949 is an apocalyptic number.

It is an amenable number.

814818949 is a deficient number, since it is larger than the sum of its proper divisors (116630651).

814818949 is a wasteful number, since it uses less digits than its factorization.

814818949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28499.

The product of its digits is 663552, while the sum is 52.

The square root of 814818949 is about 28545.0337011537. The cubic root of 814818949 is about 934.0146898725.

The spelling of 814818949 in words is "eight hundred fourteen million, eight hundred eighteen thousand, nine hundred forty-nine".