818060074441 has 4 divisors (see below), whose sum is σ = 818179384212. Its totient is φ = 817940764672.

The previous prime is 818060074439. The next prime is 818060074459. The reversal of 818060074441 is 144470060818.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 130155714441 + 687904360000 = 360771^2 + 829400^2 .

It is a cyclic number.

It is not a de Polignac number, because 818060074441 - 2¹ = 818060074439 is a prime.

It is a super-2 number, since 2×818060074441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818060074411) 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, 59644600 + ... + 59658313.

It is an arithmetic number, because the mean of its divisors is an integer number (204544846053).

Almost surely, 2^818060074441 is an apocalyptic number.

It is an amenable number.

818060074441 is a deficient number, since it is larger than the sum of its proper divisors (119309771).

818060074441 is a wasteful number, since it uses less digits than its factorization.

818060074441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119309770.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 818060074441 in words is "eight hundred eighteen billion, sixty million, seventy-four thousand, four hundred forty-one".