44312013973 has 2 divisors, whose sum is σ = 44312013974. Its totient is φ = 44312013972.

The previous prime is 44312013947. The next prime is 44312014013. The reversal of 44312013973 is 37931021344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26589215844 + 17722798129 = 163062^2 + 133127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44312013973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44312013073) by changing a digit.

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, 22156006986 + 22156006987.

It is an arithmetic number, because the mean of its divisors is an integer number (22156006987).

Almost surely, 2^44312013973 is an apocalyptic number.

It is an amenable number.

44312013973 is a deficient number, since it is larger than the sum of its proper divisors (1).

44312013973 is an equidigital number, since it uses as much as digits as its factorization.

44312013973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 44312013973 in words is "forty-four billion, three hundred twelve million, thirteen thousand, nine hundred seventy-three".