441711868261 has 4 divisors (see below), whose sum is σ = 441900555724. Its totient is φ = 441523180800.

The previous prime is 441711868231. The next prime is 441711868271. The reversal of 441711868261 is 162868117144.

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 377008280100 + 64703588161 = 614010^2 + 254369^2 .

It is a cyclic number.

It is not a de Polignac number, because 441711868261 - 2¹⁹ = 441711343973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441711868231) 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, 94340220 + ... + 94344901.

It is an arithmetic number, because the mean of its divisors is an integer number (110475138931).

Almost surely, 2^441711868261 is an apocalyptic number.

It is an amenable number.

441711868261 is a deficient number, since it is larger than the sum of its proper divisors (188687463).

441711868261 is a wasteful number, since it uses less digits than its factorization.

441711868261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188687462.

The product of its digits is 516096, while the sum is 49.

The spelling of 441711868261 in words is "four hundred forty-one billion, seven hundred eleven million, eight hundred sixty-eight thousand, two hundred sixty-one".