43444351316 has 6 divisors (see below), whose sum is σ = 76027614810. Its totient is φ = 21722175656.

The previous prime is 43444351289. The next prime is 43444351339. The reversal of 43444351316 is 61315344434.

It can be written as a sum of positive squares in only one way, i.e., 42992363716 + 451987600 = 207346^2 + 21260^2 .

It is a super-2 number, since 2×43444351316² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43444351316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5430543911 + ... + 5430543918.

It is an arithmetic number, because the mean of its divisors is an integer number (12671269135).

Almost surely, 2^43444351316 is an apocalyptic number.

It is an amenable number.

43444351316 is a deficient number, since it is larger than the sum of its proper divisors (32583263494).

43444351316 is a wasteful number, since it uses less digits than its factorization.

43444351316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861087833 (or 10861087831 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The spelling of 43444351316 in words is "forty-three billion, four hundred forty-four million, three hundred fifty-one thousand, three hundred sixteen".