9980963504893 has 2 divisors, whose sum is σ = 9980963504894. Its totient is φ = 9980963504892.

The previous prime is 9980963504861. The next prime is 9980963504927. The reversal of 9980963504893 is 3984053690899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9973860892164 + 7102612729 = 3158142^2 + 84277^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980963504893 - 2⁵ = 9980963504861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9980963504593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4990481752446 + 4990481752447.

It is an arithmetic number, because the mean of its divisors is an integer number (4990481752447).

Almost surely, 2^{9980963504893} is an apocalyptic number.

It is an amenable number.

9980963504893 is a deficient number, since it is larger than the sum of its proper divisors (1).

9980963504893 is an equidigital number, since it uses as much as digits as its factorization.

9980963504893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453496320, while the sum is 73.

The spelling of 9980963504893 in words is "nine trillion, nine hundred eighty billion, nine hundred sixty-three million, five hundred four thousand, eight hundred ninety-three".