44006625555521 has 2 divisors, whose sum is σ = 44006625555522. Its totient is φ = 44006625555520.

The previous prime is 44006625555499. The next prime is 44006625555559. The reversal of 44006625555521 is 12555552660044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29560544915521 + 14446080640000 = 5436961^2 + 3800800^2 .

It is a cyclic number.

It is not a de Polignac number, because 44006625555521 - 2¹⁰ = 44006625554497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44006625555521.

It is not a weakly prime, because it can be changed into another prime (44006625552521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22003312777760 + 22003312777761.

It is an arithmetic number, because the mean of its divisors is an integer number (22003312777761).

Almost surely, 2^{44006625555521} is an apocalyptic number.

It is an amenable number.

44006625555521 is a deficient number, since it is larger than the sum of its proper divisors (1).

44006625555521 is an equidigital number, since it uses as much as digits as its factorization.

44006625555521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200000, while the sum is 50.

The spelling of 44006625555521 in words is "forty-four trillion, six billion, six hundred twenty-five million, five hundred fifty-five thousand, five hundred twenty-one".