468436721 has 2 divisors, whose sum is σ = 468436722. Its totient is φ = 468436720.

The previous prime is 468436679. The next prime is 468436723. The reversal of 468436721 is 127634864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458602225 + 9834496 = 21415^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 468436721 - 2²² = 464242417 is a prime.

Together with 468436723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (468436723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234218360 + 234218361.

It is an arithmetic number, because the mean of its divisors is an integer number (234218361).

Almost surely, 2^468436721 is an apocalyptic number.

It is an amenable number.

468436721 is a deficient number, since it is larger than the sum of its proper divisors (1).

468436721 is an equidigital number, since it uses as much as digits as its factorization.

468436721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 468436721 is about 21643.3990167903. The cubic root of 468436721 is about 776.6350335765.

The spelling of 468436721 in words is "four hundred sixty-eight million, four hundred thirty-six thousand, seven hundred twenty-one".