44409159013 has 2 divisors, whose sum is σ = 44409159014. Its totient is φ = 44409159012.

The previous prime is 44409158971. The next prime is 44409159073. The reversal of 44409159013 is 31095190444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31468276449 + 12940882564 = 177393^2 + 113758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44409159013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44409159073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22204579506 + 22204579507.

It is an arithmetic number, because the mean of its divisors is an integer number (22204579507).

Almost surely, 2^44409159013 is an apocalyptic number.

It is an amenable number.

44409159013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44409159013 is an equidigital number, since it uses as much as digits as its factorization.

44409159013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 44409159013 in words is "forty-four billion, four hundred nine million, one hundred fifty-nine thousand, thirteen".