9950642886643 has 2 divisors, whose sum is σ = 9950642886644. Its totient is φ = 9950642886642.

The previous prime is 9950642886637. The next prime is 9950642886647. The reversal of 9950642886643 is 3466882460599.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9950642886643 is a prime.

It is not a weakly prime, because it can be changed into another prime (9950642886647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4975321443321 + 4975321443322.

It is an arithmetic number, because the mean of its divisors is an integer number (4975321443322).

Almost surely, 2^{9950642886643} is an apocalyptic number.

9950642886643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9950642886643 is an equidigital number, since it uses as much as digits as its factorization.

9950642886643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537477120, while the sum is 70.

The spelling of 9950642886643 in words is "nine trillion, nine hundred fifty billion, six hundred forty-two million, eight hundred eighty-six thousand, six hundred forty-three".