813414466 has 4 divisors (see below), whose sum is σ = 1220121702. Its totient is φ = 406707232.

The previous prime is 813414461. The next prime is 813414467. The reversal of 813414466 is 664414318.

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

It can be written as a sum of positive squares in only one way, i.e., 811395225 + 2019241 = 28485^2 + 1421^2 .

It is not an unprimeable number, because it can be changed into a prime (813414461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203353615 + ... + 203353618.

Almost surely, 2^813414466 is an apocalyptic number.

813414466 is a deficient number, since it is larger than the sum of its proper divisors (406707236).

813414466 is a wasteful number, since it uses less digits than its factorization.

813414466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406707235.

The product of its digits is 55296, while the sum is 37.

The square root of 813414466 is about 28520.4219113252. The cubic root of 813414466 is about 933.4777353389.

The spelling of 813414466 in words is "eight hundred thirteen million, four hundred fourteen thousand, four hundred sixty-six".