4619147189 has 2 divisors, whose sum is σ = 4619147190. Its totient is φ = 4619147188.

The previous prime is 4619147177. The next prime is 4619147243. The reversal of 4619147189 is 9817419164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3960814225 + 658332964 = 62935^2 + 25658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4619147189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4619147149) 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, 2309573594 + 2309573595.

It is an arithmetic number, because the mean of its divisors is an integer number (2309573595).

Almost surely, 2^4619147189 is an apocalyptic number.

It is an amenable number.

4619147189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4619147189 is an equidigital number, since it uses as much as digits as its factorization.

4619147189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The square root of 4619147189 is about 67964.3081992306. The cubic root of 4619147189 is about 1665.4078232184.

The spelling of 4619147189 in words is "four billion, six hundred nineteen million, one hundred forty-seven thousand, one hundred eighty-nine".