441459895081 has 4 divisors (see below), whose sum is σ = 443700808452. Its totient is φ = 439218981712.

The previous prime is 441459895067. The next prime is 441459895103. The reversal of 441459895081 is 180598954144.

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 276948535081 + 164511360000 = 526259^2 + 405600^2 .

It is a cyclic number.

It is not a de Polignac number, because 441459895081 - 2²¹ = 441457797929 is a prime.

It is a super-2 number, since 2×441459895081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441459895021) 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, 1120456390 + ... + 1120456783.

It is an arithmetic number, because the mean of its divisors is an integer number (110925202113).

Almost surely, 2^441459895081 is an apocalyptic number.

It is an amenable number.

441459895081 is a deficient number, since it is larger than the sum of its proper divisors (2240913371).

441459895081 is a wasteful number, since it uses less digits than its factorization.

441459895081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240913370.

The product of its (nonzero) digits is 8294400, while the sum is 58.

The spelling of 441459895081 in words is "four hundred forty-one billion, four hundred fifty-nine million, eight hundred ninety-five thousand, eighty-one".