44072493709 has 2 divisors, whose sum is σ = 44072493710. Its totient is φ = 44072493708.

The previous prime is 44072493679. The next prime is 44072493781. The reversal of 44072493709 is 90739427044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39991200484 + 4081293225 = 199978^2 + 63885^2 .

It is a cyclic number.

It is not a de Polignac number, because 44072493709 - 2¹³ = 44072485517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44072493209) 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, 22036246854 + 22036246855.

It is an arithmetic number, because the mean of its divisors is an integer number (22036246855).

Almost surely, 2^44072493709 is an apocalyptic number.

It is an amenable number.

44072493709 is a deficient number, since it is larger than the sum of its proper divisors (1).

44072493709 is an equidigital number, since it uses as much as digits as its factorization.

44072493709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 44072493709 in words is "forty-four billion, seventy-two million, four hundred ninety-three thousand, seven hundred nine".