441809819051 has 4 divisors (see below), whose sum is σ = 441814384704. Its totient is φ = 441805253400.

The previous prime is 441809819027. The next prime is 441809819083. The reversal of 441809819051 is 150918908144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441809819051 - 2¹⁸ = 441809556907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441809819021) 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, 2134460 + ... + 2332281.

It is an arithmetic number, because the mean of its divisors is an integer number (110453596176).

Almost surely, 2^441809819051 is an apocalyptic number.

441809819051 is a deficient number, since it is larger than the sum of its proper divisors (4565653).

441809819051 is an equidigital number, since it uses as much as digits as its factorization.

441809819051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565652.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 441809819051 in words is "four hundred forty-one billion, eight hundred nine million, eight hundred nineteen thousand, fifty-one".