99467009 has 2 divisors, whose sum is σ = 99467010. Its totient is φ = 99467008.

The previous prime is 99466999. The next prime is 99467047. The reversal of 99467009 is 90076499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58186384 + 41280625 = 7628^2 + 6425^2 .

It is an emirp because it is prime and its reverse (90076499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99467009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99467089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49733504 + 49733505.

It is an arithmetic number, because the mean of its divisors is an integer number (49733505).

Almost surely, 2^99467009 is an apocalyptic number.

It is an amenable number.

99467009 is a deficient number, since it is larger than the sum of its proper divisors (1).

99467009 is an equidigital number, since it uses as much as digits as its factorization.

99467009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 99467009 is about 9973.3148451255. The cubic root of 99467009 is about 463.3327722276.

The spelling of 99467009 in words is "ninety-nine million, four hundred sixty-seven thousand, nine".