816044741 has 4 divisors (see below), whose sum is σ = 823531500. Its totient is φ = 808557984.

The previous prime is 816044729. The next prime is 816044743. The reversal of 816044741 is 147440618.

816044741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 261630625 + 554414116 = 16175^2 + 23546^2 .

It is a cyclic number.

It is not a de Polignac number, because 816044741 - 2²⁶ = 748935877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816044743) 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, 3743216 + ... + 3743433.

It is an arithmetic number, because the mean of its divisors is an integer number (205882875).

Almost surely, 2^816044741 is an apocalyptic number.

It is an amenable number.

816044741 is a deficient number, since it is larger than the sum of its proper divisors (7486759).

816044741 is a wasteful number, since it uses less digits than its factorization.

816044741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486758.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 816044741 is about 28566.4968275776. The cubic root of 816044741 is about 934.4828241710.

The spelling of 816044741 in words is "eight hundred sixteen million, forty-four thousand, seven hundred forty-one".