466539421 has 4 divisors (see below), whose sum is σ = 467153244. Its totient is φ = 465925600.

The previous prime is 466539397. The next prime is 466539439. The reversal of 466539421 is 124935664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72080100 + 394459321 = 8490^2 + 19861^2 .

It is a cyclic number.

It is not a de Polignac number, because 466539421 - 2²³ = 458150813 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 (466539481) 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 in 3 ways as a sum of consecutive naturals, for example, 305770 + ... + 307291.

It is an arithmetic number, because the mean of its divisors is an integer number (116788311).

Almost surely, 2^466539421 is an apocalyptic number.

It is an amenable number.

466539421 is a deficient number, since it is larger than the sum of its proper divisors (613823).

466539421 is an equidigital number, since it uses as much as digits as its factorization.

466539421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613822.

The product of its digits is 155520, while the sum is 40.

The square root of 466539421 is about 21599.5236290063. The cubic root of 466539421 is about 775.5850849230.

The spelling of 466539421 in words is "four hundred sixty-six million, five hundred thirty-nine thousand, four hundred twenty-one".