9999954067 has 2 divisors, whose sum is σ = 9999954068. Its totient is φ = 9999954066.

The previous prime is 9999954031. The next prime is 9999954091. The reversal of 9999954067 is 7604599999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9999954067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9999953993 and 9999954011.

It is not a weakly prime, because it can be changed into another prime (9999954967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999977033 + 4999977034.

It is an arithmetic number, because the mean of its divisors is an integer number (4999977034).

Almost surely, 2^9999954067 is an apocalyptic number.

9999954067 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999954067 is an equidigital number, since it uses as much as digits as its factorization.

9999954067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49601160, while the sum is 67.

The square root of 9999954067 is about 99999.7703347363. The cubic root of 9999954067 is about 2154.4313913719.

The spelling of 9999954067 in words is "nine billion, nine hundred ninety-nine million, nine hundred fifty-four thousand, sixty-seven".