4188420193 has 2 divisors, whose sum is σ = 4188420194. Its totient is φ = 4188420192.

The previous prime is 4188420167. The next prime is 4188420233. The reversal of 4188420193 is 3910248814.

4188420193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4188420233) can be obtained adding 4188420193 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2142486369 + 2045933824 = 46287^2 + 45232^2 .

It is a cyclic number.

It is not a de Polignac number, because 4188420193 - 2²⁵ = 4154865761 is a prime.

It is not a weakly prime, because it can be changed into another prime (4188420293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094210096 + 2094210097.

It is an arithmetic number, because the mean of its divisors is an integer number (2094210097).

Almost surely, 2^4188420193 is an apocalyptic number.

It is an amenable number.

4188420193 is a deficient number, since it is larger than the sum of its proper divisors (1).

4188420193 is an equidigital number, since it uses as much as digits as its factorization.

4188420193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 4188420193 is about 64718.0051685773. The cubic root of 4188420193 is about 1611.9444881567.

The spelling of 4188420193 in words is "four billion, one hundred eighty-eight million, four hundred twenty thousand, one hundred ninety-three".