444005616355139 has 2 divisors, whose sum is σ = 444005616355140. Its totient is φ = 444005616355138.

The previous prime is 444005616355043. The next prime is 444005616355181. The reversal of 444005616355139 is 931553616500444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444005616355139 is a prime.

It is not a weakly prime, because it can be changed into another prime (444005616355439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222002808177569 + 222002808177570.

It is an arithmetic number, because the mean of its divisors is an integer number (222002808177570).

Almost surely, 2^{444005616355139} is an apocalyptic number.

444005616355139 is a deficient number, since it is larger than the sum of its proper divisors (1).

444005616355139 is an equidigital number, since it uses as much as digits as its factorization.

444005616355139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 444005616355139 in words is "four hundred forty-four trillion, five billion, six hundred sixteen million, three hundred fifty-five thousand, one hundred thirty-nine".