44791819999 has 4 divisors (see below), whose sum is σ = 44850679920. Its totient is φ = 44732960080.

The previous prime is 44791819979. The next prime is 44791820041. The reversal of 44791819999 is 99991819744.

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 44791819999 - 2⁷ = 44791819871 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 (44791819939) 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, 29428819 + ... + 29430340.

It is an arithmetic number, because the mean of its divisors is an integer number (11212669980).

Almost surely, 2^44791819999 is an apocalyptic number.

44791819999 is a deficient number, since it is larger than the sum of its proper divisors (58859921).

44791819999 is an equidigital number, since it uses as much as digits as its factorization.

44791819999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58859920.

The product of its digits is 52907904, while the sum is 70.

The spelling of 44791819999 in words is "forty-four billion, seven hundred ninety-one million, eight hundred nineteen thousand, nine hundred ninety-nine".