9964503761371 has 2 divisors, whose sum is σ = 9964503761372. Its totient is φ = 9964503761370.

The previous prime is 9964503761363. The next prime is 9964503761393. The reversal of 9964503761371 is 1731673054699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9964503761371 - 2³ = 9964503761363 is a prime.

It is not a weakly prime, because it can be changed into another prime (9964503761341) 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, 4982251880685 + 4982251880686.

It is an arithmetic number, because the mean of its divisors is an integer number (4982251880686).

Almost surely, 2^{9964503761371} is an apocalyptic number.

9964503761371 is a deficient number, since it is larger than the sum of its proper divisors (1).

9964503761371 is an equidigital number, since it uses as much as digits as its factorization.

9964503761371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 9964503761371 in words is "nine trillion, nine hundred sixty-four billion, five hundred three million, seven hundred sixty-one thousand, three hundred seventy-one".