698023173722099 has 2 divisors, whose sum is σ = 698023173722100. Its totient is φ = 698023173722098.

The previous prime is 698023173722059. The next prime is 698023173722177. The reversal of 698023173722099 is 990227371320896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698023173722099 - 2⁸ = 698023173721843 is a prime.

It is not a weakly prime, because it can be changed into another prime (698023173722059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349011586861049 + 349011586861050.

It is an arithmetic number, because the mean of its divisors is an integer number (349011586861050).

Almost surely, 2^{698023173722099} is an apocalyptic number.

698023173722099 is a deficient number, since it is larger than the sum of its proper divisors (1).

698023173722099 is an equidigital number, since it uses as much as digits as its factorization.

698023173722099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123451776, while the sum is 68.

The spelling of 698023173722099 in words is "six hundred ninety-eight trillion, twenty-three billion, one hundred seventy-three million, seven hundred twenty-two thousand, ninety-nine".