461872219 has 2 divisors, whose sum is σ = 461872220. Its totient is φ = 461872218.

The previous prime is 461872211. The next prime is 461872249. The reversal of 461872219 is 912278164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461872219 - 2³ = 461872211 is a prime.

It is a super-2 number, since 2×461872219² = 426651893367967922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (461872211) 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, 230936109 + 230936110.

It is an arithmetic number, because the mean of its divisors is an integer number (230936110).

Almost surely, 2^461872219 is an apocalyptic number.

461872219 is a deficient number, since it is larger than the sum of its proper divisors (1).

461872219 is an equidigital number, since it uses as much as digits as its factorization.

461872219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 461872219 is about 21491.2125995719. The cubic root of 461872219 is about 772.9901269919.

The spelling of 461872219 in words is "four hundred sixty-one million, eight hundred seventy-two thousand, two hundred nineteen".