863936923466 has 4 divisors (see below), whose sum is σ = 1295905385202. Its totient is φ = 431968461732.

The previous prime is 863936923441. The next prime is 863936923471. The reversal of 863936923466 is 664329639368.

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., 463051669441 + 400885254025 = 680479^2 + 633155^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215984230865 + ... + 215984230868.

Almost surely, 2^863936923466 is an apocalyptic number.

863936923466 is a deficient number, since it is larger than the sum of its proper divisors (431968461736).

863936923466 is a wasteful number, since it uses less digits than its factorization.

863936923466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431968461735.

The product of its digits is 181398528, while the sum is 65.

The spelling of 863936923466 in words is "eight hundred sixty-three billion, nine hundred thirty-six million, nine hundred twenty-three thousand, four hundred sixty-six".