3998570111 has 2 divisors, whose sum is σ = 3998570112. Its totient is φ = 3998570110.

The previous prime is 3998570101. The next prime is 3998570161. The reversal of 3998570111 is 1110758993.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110758993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3998570111 - 2⁶ = 3998570047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3998570101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999285055 + 1999285056.

It is an arithmetic number, because the mean of its divisors is an integer number (1999285056).

Almost surely, 2^3998570111 is an apocalyptic number.

3998570111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3998570111 is an equidigital number, since it uses as much as digits as its factorization.

3998570111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 44.

The square root of 3998570111 is about 63234.2479278437. The cubic root of 3998570111 is about 1587.2118788165.

The spelling of 3998570111 in words is "three billion, nine hundred ninety-eight million, five hundred seventy thousand, one hundred eleven".