466673821 has 2 divisors, whose sum is σ = 466673822. Its totient is φ = 466673820.

The previous prime is 466673813. The next prime is 466673863. The reversal of 466673821 is 128376664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459459225 + 7214596 = 21435^2 + 2686^2 .

It is a cyclic number.

It is not a de Polignac number, because 466673821 - 2³ = 466673813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (466673881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233336910 + 233336911.

It is an arithmetic number, because the mean of its divisors is an integer number (233336911).

Almost surely, 2^466673821 is an apocalyptic number.

It is an amenable number.

466673821 is a deficient number, since it is larger than the sum of its proper divisors (1).

466673821 is an equidigital number, since it uses as much as digits as its factorization.

466673821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 466673821 is about 21602.6345846982. The cubic root of 466673821 is about 775.6595542480.

It can be divided in two parts, 4666 and 73821, that added together give a palindrome (78487).

The spelling of 466673821 in words is "four hundred sixty-six million, six hundred seventy-three thousand, eight hundred twenty-one".