19800103143967 has 2 divisors, whose sum is σ = 19800103143968. Its totient is φ = 19800103143966.

The previous prime is 19800103143943. The next prime is 19800103143973. The reversal of 19800103143967 is 76934130100891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19800103143967 - 2¹¹ = 19800103141919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19800103143167) 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, 9900051571983 + 9900051571984.

It is an arithmetic number, because the mean of its divisors is an integer number (9900051571984).

Almost surely, 2^{19800103143967} is an apocalyptic number.

19800103143967 is a deficient number, since it is larger than the sum of its proper divisors (1).

19800103143967 is an equidigital number, since it uses as much as digits as its factorization.

19800103143967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 19800103143967 in words is "nineteen trillion, eight hundred billion, one hundred three million, one hundred forty-three thousand, nine hundred sixty-seven".