814648851241 has 3 divisors (see below), whose sum is σ = 814649753821. Its totient is φ = 814647948662.

The previous prime is 814648851227. The next prime is 814648851299. The reversal of 814648851241 is 142158846418.

The square root of 814648851241 is 902579.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 814648851241 - 2⁵ = 814648851209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814648851221) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 451290 + ... + 1353868.

Almost surely, 2^814648851241 is an apocalyptic number.

814648851241 is the 902579-th square number.

814648851241 is the 451290-th centered octagonal number.

It is an amenable number.

814648851241 is a deficient number, since it is larger than the sum of its proper divisors (902580).

814648851241 is an frugal number, since it uses more digits than its factorization.

814648851241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805158 (or 902579 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 52.

The spelling of 814648851241 in words is "eight hundred fourteen billion, six hundred forty-eight million, eight hundred fifty-one thousand, two hundred forty-one".