44478971959 has 2 divisors, whose sum is σ = 44478971960. Its totient is φ = 44478971958.

The previous prime is 44478971909. The next prime is 44478971993. The reversal of 44478971959 is 95917987444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44478971959 - 2⁹ = 44478971447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44478971894 and 44478971903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44478971909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22239485979 + 22239485980.

It is an arithmetic number, because the mean of its divisors is an integer number (22239485980).

Almost surely, 2^44478971959 is an apocalyptic number.

44478971959 is a deficient number, since it is larger than the sum of its proper divisors (1).

44478971959 is an equidigital number, since it uses as much as digits as its factorization.

44478971959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 67.

The spelling of 44478971959 in words is "forty-four billion, four hundred seventy-eight million, nine hundred seventy-one thousand, nine hundred fifty-nine".