9999900099967 has 2 divisors, whose sum is σ = 9999900099968. Its totient is φ = 9999900099966.

The previous prime is 9999900099907. The next prime is 9999900099971. The reversal of 9999900099967 is 7699900099999.

9999900099967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9999900099967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999900099907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999950049983 + 4999950049984.

It is an arithmetic number, because the mean of its divisors is an integer number (4999950049984).

Almost surely, 2^{9999900099967} is an apocalyptic number.

9999900099967 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999900099967 is an equidigital number, since it uses as much as digits as its factorization.

9999900099967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1807962282, while the sum is 85.

The spelling of 9999900099967 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred million, ninety-nine thousand, nine hundred sixty-seven".