841417274945 has 32 divisors (see below), whose sum is σ = 1095373389600. Its totient is φ = 616786329600.

The previous prime is 841417274941. The next prime is 841417274953. The reversal of 841417274945 is 549472714148.

It is a happy number.

It is a Cunningham number, because it is equal to 917288²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 538507936561 + 302909338384 = 733831^2 + 550372^2 .

It is not a de Polignac number, because 841417274945 - 2² = 841417274941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (841417274941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15439745 + ... + 15494145.

It is an arithmetic number, because the mean of its divisors is an integer number (34230418425).

Almost surely, 2^841417274945 is an apocalyptic number.

It is an amenable number.

841417274945 is a deficient number, since it is larger than the sum of its proper divisors (253956114655).

841417274945 is a wasteful number, since it uses less digits than its factorization.

841417274945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56165.

The product of its digits is 9031680, while the sum is 56.

The spelling of 841417274945 in words is "eight hundred forty-one billion, four hundred seventeen million, two hundred seventy-four thousand, nine hundred forty-five".