818854963 has 4 divisors (see below), whose sum is σ = 867022920. Its totient is φ = 770687008.

The previous prime is 818854937. The next prime is 818855017. The reversal of 818854963 is 369458818.

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

It is a cyclic number.

It is not a de Polignac number, because 818854963 - 2²⁹ = 281984051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 818854963.

It is not an unprimeable number, because it can be changed into a prime (818354963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24083953 + ... + 24083986.

It is an arithmetic number, because the mean of its divisors is an integer number (216755730).

Almost surely, 2^818854963 is an apocalyptic number.

818854963 is a deficient number, since it is larger than the sum of its proper divisors (48167957).

818854963 is a wasteful number, since it uses less digits than its factorization.

818854963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48167956.

The product of its digits is 1658880, while the sum is 52.

The square root of 818854963 is about 28615.6419288472. The cubic root of 818854963 is about 935.5542913341.

The spelling of 818854963 in words is "eight hundred eighteen million, eight hundred fifty-four thousand, nine hundred sixty-three".