19948006326959 has 2 divisors, whose sum is σ = 19948006326960. Its totient is φ = 19948006326958.

The previous prime is 19948006326931. The next prime is 19948006326971. The reversal of 19948006326959 is 95962360084991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19948006326959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19948006326892 and 19948006326901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19948006346959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9974003163479 + 9974003163480.

It is an arithmetic number, because the mean of its divisors is an integer number (9974003163480).

Almost surely, 2^{19948006326959} is an apocalyptic number.

19948006326959 is a deficient number, since it is larger than the sum of its proper divisors (1).

19948006326959 is an equidigital number, since it uses as much as digits as its factorization.

19948006326959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226748160, while the sum is 71.

The spelling of 19948006326959 in words is "nineteen trillion, nine hundred forty-eight billion, six million, three hundred twenty-six thousand, nine hundred fifty-nine".