44855143709 has 2 divisors, whose sum is σ = 44855143710. Its totient is φ = 44855143708.

The previous prime is 44855143699. The next prime is 44855143727. The reversal of 44855143709 is 90734155844.

It is a happy number.

44855143709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44182778809 + 672364900 = 210197^2 + 25930^2 .

It is a cyclic number.

It is not a de Polignac number, because 44855143709 - 2⁴ = 44855143693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44855143309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22427571854 + 22427571855.

It is an arithmetic number, because the mean of its divisors is an integer number (22427571855).

Almost surely, 2^44855143709 is an apocalyptic number.

It is an amenable number.

44855143709 is a deficient number, since it is larger than the sum of its proper divisors (1).

44855143709 is an equidigital number, since it uses as much as digits as its factorization.

44855143709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 44855143709 in words is "forty-four billion, eight hundred fifty-five million, one hundred forty-three thousand, seven hundred nine".