468620021 has 4 divisors (see below), whose sum is σ = 474552000. Its totient is φ = 462688044.

The previous prime is 468620017. The next prime is 468620057. The reversal of 468620021 is 120026864.

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 468620021 - 2² = 468620017 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 (468620071) 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, 2965871 + ... + 2966028.

It is an arithmetic number, because the mean of its divisors is an integer number (118638000).

Almost surely, 2^468620021 is an apocalyptic number.

It is an amenable number.

468620021 is a deficient number, since it is larger than the sum of its proper divisors (5931979).

468620021 is an equidigital number, since it uses as much as digits as its factorization.

468620021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931978.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 468620021 is about 21647.6331500698. The cubic root of 468620021 is about 776.7363198556.

Adding to 468620021 its reverse (120026864), we get a palindrome (588646885).

The spelling of 468620021 in words is "four hundred sixty-eight million, six hundred twenty thousand, twenty-one".