1996446243959 has 2 divisors, whose sum is σ = 1996446243960. Its totient is φ = 1996446243958.

The previous prime is 1996446243947. The next prime is 1996446244003. The reversal of 1996446243959 is 9593426446991.

It is a weak prime.

It is an emirp because it is prime and its reverse (9593426446991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1996446243959 - 2²⁴ = 1996429466743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1996446243892 and 1996446243901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996446243359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998223121979 + 998223121980.

It is an arithmetic number, because the mean of its divisors is an integer number (998223121980).

Almost surely, 2^{1996446243959} is an apocalyptic number.

1996446243959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996446243959 is an equidigital number, since it uses as much as digits as its factorization.

1996446243959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453496320, while the sum is 71.

The spelling of 1996446243959 in words is "one trillion, nine hundred ninety-six billion, four hundred forty-six million, two hundred forty-three thousand, nine hundred fifty-nine".