44023211809 has 2 divisors, whose sum is σ = 44023211810. Its totient is φ = 44023211808.

The previous prime is 44023211803. The next prime is 44023211839. The reversal of 44023211809 is 90811232044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25376490000 + 18646721809 = 159300^2 + 136553^2 .

It is a cyclic number.

It is not a de Polignac number, because 44023211809 - 2¹³ = 44023203617 is a prime.

It is not a weakly prime, because it can be changed into another prime (44023211803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22011605904 + 22011605905.

It is an arithmetic number, because the mean of its divisors is an integer number (22011605905).

Almost surely, 2^44023211809 is an apocalyptic number.

It is an amenable number.

44023211809 is a deficient number, since it is larger than the sum of its proper divisors (1).

44023211809 is an equidigital number, since it uses as much as digits as its factorization.

44023211809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 44023211809 in words is "forty-four billion, twenty-three million, two hundred eleven thousand, eight hundred nine".