44509719813 has 8 divisors (see below), whose sum is σ = 63911392608. Its totient is φ = 27390596784.

The previous prime is 44509719799. The next prime is 44509719817. The reversal of 44509719813 is 31891790544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44509719813 - 2²⁹ = 43972848901 is a prime.

It is a super-2 number, since 2×44509719813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44509719817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570637395 + ... + 570637472.

It is an arithmetic number, because the mean of its divisors is an integer number (7988924076).

Almost surely, 2^44509719813 is an apocalyptic number.

It is an amenable number.

44509719813 is a deficient number, since it is larger than the sum of its proper divisors (19401672795).

44509719813 is a wasteful number, since it uses less digits than its factorization.

44509719813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141274883.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 44509719813 in words is "forty-four billion, five hundred nine million, seven hundred nineteen thousand, eight hundred thirteen".