466644421 has 2 divisors, whose sum is σ = 466644422. Its totient is φ = 466644420.

The previous prime is 466644413. The next prime is 466644433. The reversal of 466644421 is 124446664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309267396 + 157377025 = 17586^2 + 12545^2 .

It is a cyclic number.

It is not a de Polignac number, because 466644421 - 2³ = 466644413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (466644721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233322210 + 233322211.

It is an arithmetic number, because the mean of its divisors is an integer number (233322211).

Almost surely, 2^466644421 is an apocalyptic number.

It is an amenable number.

466644421 is a deficient number, since it is larger than the sum of its proper divisors (1).

466644421 is an equidigital number, since it uses as much as digits as its factorization.

466644421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 37.

The square root of 466644421 is about 21601.9541014233. The cubic root of 466644421 is about 775.6432653050.

The spelling of 466644421 in words is "four hundred sixty-six million, six hundred forty-four thousand, four hundred twenty-one".