468573821 has 2 divisors, whose sum is σ = 468573822. Its totient is φ = 468573820.

The previous prime is 468573803. The next prime is 468573827. The reversal of 468573821 is 128375864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348232921 + 120340900 = 18661^2 + 10970^2 .

It is a cyclic number.

It is not a de Polignac number, because 468573821 - 2²⁶ = 401464957 is a prime.

It is a super-2 number, since 2×468573821² = 439122851453080082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468573827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234286910 + 234286911.

It is an arithmetic number, because the mean of its divisors is an integer number (234286911).

Almost surely, 2^468573821 is an apocalyptic number.

It is an amenable number.

468573821 is a deficient number, since it is larger than the sum of its proper divisors (1).

468573821 is an equidigital number, since it uses as much as digits as its factorization.

468573821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 468573821 is about 21646.5660325143. The cubic root of 468573821 is about 776.7107935616.

The spelling of 468573821 in words is "four hundred sixty-eight million, five hundred seventy-three thousand, eight hundred twenty-one".