99998034817 has 2 divisors, whose sum is σ = 99998034818. Its totient is φ = 99998034816.

The previous prime is 99998034803. The next prime is 99998034823. The reversal of 99998034817 is 71843089999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63940202496 + 36057832321 = 252864^2 + 189889^2 .

It is a cyclic number.

It is not a de Polignac number, because 99998034817 - 2²³ = 99989646209 is a prime.

It is not a weakly prime, because it can be changed into another prime (99998034847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999017408 + 49999017409.

It is an arithmetic number, because the mean of its divisors is an integer number (49999017409).

Almost surely, 2^99998034817 is an apocalyptic number.

It is an amenable number.

99998034817 is a deficient number, since it is larger than the sum of its proper divisors (1).

99998034817 is an equidigital number, since it uses as much as digits as its factorization.

99998034817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 99998034817 in words is "ninety-nine billion, nine hundred ninety-eight million, thirty-four thousand, eight hundred seventeen".