44909395019 has 2 divisors, whose sum is σ = 44909395020. Its totient is φ = 44909395018.

The previous prime is 44909394953. The next prime is 44909395109. The reversal of 44909395019 is 91059390944.

It is a happy number.

Together with next prime (44909395109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44909395019 - 2¹⁶ = 44909329483 is a prime.

It is a super-2 number, since 2×44909395019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44909395319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22454697509 + 22454697510.

It is an arithmetic number, because the mean of its divisors is an integer number (22454697510).

Almost surely, 2^44909395019 is an apocalyptic number.

44909395019 is a deficient number, since it is larger than the sum of its proper divisors (1).

44909395019 is an equidigital number, since it uses as much as digits as its factorization.

44909395019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 44909395019 in words is "forty-four billion, nine hundred nine million, three hundred ninety-five thousand, nineteen".