44397186349 has 8 divisors (see below), whose sum is σ = 47015148600. Its totient is φ = 41779931136.

The previous prime is 44397186343. The next prime is 44397186367. The reversal of 44397186349 is 94368179344.

44397186349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26463155625 + 17934030724 = 162675^2 + 133918^2 .

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

It is not a de Polignac number, because 44397186349 - 2³ = 44397186341 is a prime.

It is a super-2 number, since 2×44397186349² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44397186293 and 44397186302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44397186341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44644 + ... + 301309.

It is an arithmetic number, because the mean of its divisors is an integer number (5876893575).

Almost surely, 2^44397186349 is an apocalyptic number.

It is an amenable number.

44397186349 is a deficient number, since it is larger than the sum of its proper divisors (2617962251).

44397186349 is a wasteful number, since it uses less digits than its factorization.

44397186349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353519.

The product of its digits is 15676416, while the sum is 58.

The spelling of 44397186349 in words is "forty-four billion, three hundred ninety-seven million, one hundred eighty-six thousand, three hundred forty-nine".