9876706874513 has 2 divisors, whose sum is σ = 9876706874514. Its totient is φ = 9876706874512.

The previous prime is 9876706874449. The next prime is 9876706874641. The reversal of 9876706874513 is 3154786076789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7566939151249 + 2309767723264 = 2750807^2 + 1519792^2 .

It is a cyclic number.

It is not a de Polignac number, because 9876706874513 - 2⁶ = 9876706874449 is a prime.

It is not a weakly prime, because it can be changed into another prime (9876706874113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938353437256 + 4938353437257.

It is an arithmetic number, because the mean of its divisors is an integer number (4938353437257).

Almost surely, 2^{9876706874513} is an apocalyptic number.

It is an amenable number.

9876706874513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9876706874513 is an equidigital number, since it uses as much as digits as its factorization.

9876706874513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 426746880, while the sum is 71.

The spelling of 9876706874513 in words is "nine trillion, eight hundred seventy-six billion, seven hundred six million, eight hundred seventy-four thousand, five hundred thirteen".