999698000071 has 2 divisors, whose sum is σ = 999698000072. Its totient is φ = 999698000070.

The previous prime is 999697999987. The next prime is 999698000083. The reversal of 999698000071 is 170000896999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999698000071 - 2¹³ = 999697991879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999698007071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499849000035 + 499849000036.

It is an arithmetic number, because the mean of its divisors is an integer number (499849000036).

Almost surely, 2^999698000071 is an apocalyptic number.

999698000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

999698000071 is an equidigital number, since it uses as much as digits as its factorization.

999698000071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The spelling of 999698000071 in words is "nine hundred ninety-nine billion, six hundred ninety-eight million, seventy-one", and thus it is an aban number.