44775457739 has 2 divisors, whose sum is σ = 44775457740. Its totient is φ = 44775457738.

The previous prime is 44775457691. The next prime is 44775457789. The reversal of 44775457739 is 93775457744.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44775457739 is a prime.

It is not a weakly prime, because it can be changed into another prime (44775457789) 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, 22387728869 + 22387728870.

It is an arithmetic number, because the mean of its divisors is an integer number (22387728870).

Almost surely, 2^44775457739 is an apocalyptic number.

44775457739 is a deficient number, since it is larger than the sum of its proper divisors (1).

44775457739 is an equidigital number, since it uses as much as digits as its factorization.

44775457739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103723200, while the sum is 62.

The spelling of 44775457739 in words is "forty-four billion, seven hundred seventy-five million, four hundred fifty-seven thousand, seven hundred thirty-nine".