441772681867057 has 4 divisors (see below), whose sum is σ = 467759310212196. Its totient is φ = 415786053521920.

The previous prime is 441772681867031. The next prime is 441772681867087. The reversal of 441772681867057 is 750768186277144.

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 171906607251856 + 269866074615201 = 13111316^2 + 16427601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441772681867057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441772681867007) 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, 12993314172544 + ... + 12993314172577.

It is an arithmetic number, because the mean of its divisors is an integer number (116939827553049).

Almost surely, 2^{441772681867057} is an apocalyptic number.

It is an amenable number.

441772681867057 is a deficient number, since it is larger than the sum of its proper divisors (25986628345139).

441772681867057 is a wasteful number, since it uses less digits than its factorization.

441772681867057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25986628345138.

The product of its (nonzero) digits is 885104640, while the sum is 73.

The spelling of 441772681867057 in words is "four hundred forty-one trillion, seven hundred seventy-two billion, six hundred eighty-one million, eight hundred sixty-seven thousand, fifty-seven".