44106724236581 has 2 divisors, whose sum is σ = 44106724236582. Its totient is φ = 44106724236580.

The previous prime is 44106724236577. The next prime is 44106724236643. The reversal of 44106724236581 is 18563242760144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44104660805956 + 2063430625 = 6641134^2 + 45425^2 .

It is a cyclic number.

It is not a de Polignac number, because 44106724236581 - 2² = 44106724236577 is a prime.

It is a super-2 number, since 2×44106724236581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44106724232581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22053362118290 + 22053362118291.

It is an arithmetic number, because the mean of its divisors is an integer number (22053362118291).

Almost surely, 2^{44106724236581} is an apocalyptic number.

It is an amenable number.

44106724236581 is a deficient number, since it is larger than the sum of its proper divisors (1).

44106724236581 is an equidigital number, since it uses as much as digits as its factorization.

44106724236581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 44106724236581 in words is "forty-four trillion, one hundred six billion, seven hundred twenty-four million, two hundred thirty-six thousand, five hundred eighty-one".