44289691513 has 2 divisors, whose sum is σ = 44289691514. Its totient is φ = 44289691512.

The previous prime is 44289691477. The next prime is 44289691571. The reversal of 44289691513 is 31519698244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42303028329 + 1986663184 = 205677^2 + 44572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44289691513 is a prime.

It is not a weakly prime, because it can be changed into another prime (44289691573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22144845756 + 22144845757.

It is an arithmetic number, because the mean of its divisors is an integer number (22144845757).

Almost surely, 2^44289691513 is an apocalyptic number.

It is an amenable number.

44289691513 is a deficient number, since it is larger than the sum of its proper divisors (1).

44289691513 is an equidigital number, since it uses as much as digits as its factorization.

44289691513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The spelling of 44289691513 in words is "forty-four billion, two hundred eighty-nine million, six hundred ninety-one thousand, five hundred thirteen".