468798181 has 2 divisors, whose sum is σ = 468798182. Its totient is φ = 468798180.

The previous prime is 468798179. The next prime is 468798221. The reversal of 468798181 is 181897864.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463713156 + 5085025 = 21534^2 + 2255^2 .

It is a cyclic number.

It is not a de Polignac number, because 468798181 - 2¹ = 468798179 is a prime.

It is a super-2 number, since 2×468798181² = 439543469017817522, which contains 22 as substring.

Together with 468798179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468798131) 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, 234399090 + 234399091.

It is an arithmetic number, because the mean of its divisors is an integer number (234399091).

Almost surely, 2^468798181 is an apocalyptic number.

It is an amenable number.

468798181 is a deficient number, since it is larger than the sum of its proper divisors (1).

468798181 is an equidigital number, since it uses as much as digits as its factorization.

468798181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 52.

The square root of 468798181 is about 21651.7477585529. The cubic root of 468798181 is about 776.8347406112.

The spelling of 468798181 in words is "four hundred sixty-eight million, seven hundred ninety-eight thousand, one hundred eighty-one".