44990318739209 has 2 divisors, whose sum is σ = 44990318739210. Its totient is φ = 44990318739208.

The previous prime is 44990318739133. The next prime is 44990318739239. The reversal of 44990318739209 is 90293781309944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42236312108809 + 2754006630400 = 6498947^2 + 1659520^2 .

It is a cyclic number.

It is not a de Polignac number, because 44990318739209 - 2¹² = 44990318735113 is a prime.

It is not a weakly prime, because it can be changed into another prime (44990318739239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22495159369604 + 22495159369605.

It is an arithmetic number, because the mean of its divisors is an integer number (22495159369605).

Almost surely, 2^{44990318739209} is an apocalyptic number.

It is an amenable number.

44990318739209 is a deficient number, since it is larger than the sum of its proper divisors (1).

44990318739209 is an equidigital number, since it uses as much as digits as its factorization.

44990318739209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 44990318739209 in words is "forty-four trillion, nine hundred ninety billion, three hundred eighteen million, seven hundred thirty-nine thousand, two hundred nine".