814805269922 has 18 divisors (see below), whose sum is σ = 1421767645083. Its totient is φ = 349198428852.

The previous prime is 814805269921. The next prime is 814805269979. The reversal of 814805269922 is 229962508418.

It can be written as a sum of positive squares in only one way, i.e., 407402634961 + 407402634961 = 638281^2 + 638281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=638281.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814805269921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8890343 + ... + 8981525.

Almost surely, 2^814805269922 is an apocalyptic number.

814805269922 is a deficient number, since it is larger than the sum of its proper divisors (606962375161).

814805269922 is an frugal number, since it uses more digits than its factorization.

814805269922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182382 (or 91192 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 814805269922 in words is "eight hundred fourteen billion, eight hundred five million, two hundred sixty-nine thousand, nine hundred twenty-two".