44106561803009 has 2 divisors, whose sum is σ = 44106561803010. Its totient is φ = 44106561803008.

The previous prime is 44106561802909. The next prime is 44106561803039. The reversal of 44106561803009 is 90030816560144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42710080737025 + 1396481065984 = 6535295^2 + 1181728^2 .

It is a cyclic number.

It is not a de Polignac number, because 44106561803009 - 2²⁰ = 44106560754433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44106561803039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22053280901504 + 22053280901505.

It is an arithmetic number, because the mean of its divisors is an integer number (22053280901505).

Almost surely, 2^{44106561803009} is an apocalyptic number.

It is an amenable number.

44106561803009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44106561803009 is an equidigital number, since it uses as much as digits as its factorization.

44106561803009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 44106561803009 in words is "forty-four trillion, one hundred six billion, five hundred sixty-one million, eight hundred three thousand, nine".