444953646585983 has 2 divisors, whose sum is σ = 444953646585984. Its totient is φ = 444953646585982.

The previous prime is 444953646585823. The next prime is 444953646586039. The reversal of 444953646585983 is 389585646359444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444953646585983 - 2²⁸ = 444953378150527 is a prime.

It is a super-2 number, since 2×444953646585983² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444953646485983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222476823292991 + 222476823292992.

It is an arithmetic number, because the mean of its divisors is an integer number (222476823292992).

Almost surely, 2^{444953646585983} is an apocalyptic number.

444953646585983 is a deficient number, since it is larger than the sum of its proper divisors (1).

444953646585983 is an equidigital number, since it uses as much as digits as its factorization.

444953646585983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712000, while the sum is 83.

The spelling of 444953646585983 in words is "four hundred forty-four trillion, nine hundred fifty-three billion, six hundred forty-six million, five hundred eighty-five thousand, nine hundred eighty-three".