3998700163 has 2 divisors, whose sum is σ = 3998700164. Its totient is φ = 3998700162.

The previous prime is 3998700131. The next prime is 3998700253. The reversal of 3998700163 is 3610078993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3998700163 - 2⁵ = 3998700131 is a prime.

It is not a weakly prime, because it can be changed into another prime (3998700863) 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, 1999350081 + 1999350082.

It is an arithmetic number, because the mean of its divisors is an integer number (1999350082).

Almost surely, 2^3998700163 is an apocalyptic number.

3998700163 is a deficient number, since it is larger than the sum of its proper divisors (1).

3998700163 is an equidigital number, since it uses as much as digits as its factorization.

3998700163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 3998700163 is about 63235.2762546350. The cubic root of 3998700163 is about 1587.2290864545.

The spelling of 3998700163 in words is "three billion, nine hundred ninety-eight million, seven hundred thousand, one hundred sixty-three".