44538659999 has 2 divisors, whose sum is σ = 44538660000. Its totient is φ = 44538659998.

The previous prime is 44538659993. The next prime is 44538660007. The reversal of 44538659999 is 99995683544.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44538659999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44538659993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22269329999 + 22269330000.

It is an arithmetic number, because the mean of its divisors is an integer number (22269330000).

Almost surely, 2^44538659999 is an apocalyptic number.

44538659999 is a deficient number, since it is larger than the sum of its proper divisors (1).

44538659999 is an equidigital number, since it uses as much as digits as its factorization.

44538659999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 377913600, while the sum is 71.

The spelling of 44538659999 in words is "forty-four billion, five hundred thirty-eight million, six hundred fifty-nine thousand, nine hundred ninety-nine".