466645021 has 4 divisors (see below), whose sum is σ = 472552000. Its totient is φ = 460738044.

The previous prime is 466645013. The next prime is 466645037. The reversal of 466645021 is 120546664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 466645021 - 2³ = 466645013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466645001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953371 + ... + 2953528.

It is an arithmetic number, because the mean of its divisors is an integer number (118138000).

Almost surely, 2^466645021 is an apocalyptic number.

It is an amenable number.

466645021 is a deficient number, since it is larger than the sum of its proper divisors (5906979).

466645021 is an equidigital number, since it uses as much as digits as its factorization.

466645021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906978.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 466645021 is about 21601.9679890514. The cubic root of 466645021 is about 775.6435977393.

The spelling of 466645021 in words is "four hundred sixty-six million, six hundred forty-five thousand, twenty-one".