818414481 has 16 divisors (see below), whose sum is σ = 1130146560. Its totient is φ = 526189440.

The previous prime is 818414479. The next prime is 818414533. The reversal of 818414481 is 184414818.

It is not a de Polignac number, because 818414481 - 2¹ = 818414479 is a prime.

It is a super-2 number, since 2×818414481² = 1339604525420998722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (818414411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77976 + ... + 87846.

It is an arithmetic number, because the mean of its divisors is an integer number (70634160).

Almost surely, 2^818414481 is an apocalyptic number.

It is an amenable number.

818414481 is a deficient number, since it is larger than the sum of its proper divisors (311732079).

818414481 is a wasteful number, since it uses less digits than its factorization.

818414481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10856.

The product of its digits is 32768, while the sum is 39.

The square root of 818414481 is about 28607.9443686540. The cubic root of 818414481 is about 935.3865087767.

The spelling of 818414481 in words is "eight hundred eighteen million, four hundred fourteen thousand, four hundred eighty-one".