9999997965103 has 2 divisors, whose sum is σ = 9999997965104. Its totient is φ = 9999997965102.

The previous prime is 9999997965071. The next prime is 9999997965193. The reversal of 9999997965103 is 3015697999999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9999997965103 - 2⁵ = 9999997965071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999997965193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999998982551 + 4999998982552.

It is an arithmetic number, because the mean of its divisors is an integer number (4999998982552).

Almost surely, 2^{9999997965103} is an apocalyptic number.

9999997965103 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999997965103 is an equidigital number, since it uses as much as digits as its factorization.

9999997965103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3013270470, while the sum is 85.

The spelling of 9999997965103 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-seven million, nine hundred sixty-five thousand, one hundred three".