468640213 has 2 divisors, whose sum is σ = 468640214. Its totient is φ = 468640212.

The previous prime is 468640201. The next prime is 468640259. The reversal of 468640213 is 312046864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349764804 + 118875409 = 18702^2 + 10903^2 .

It is a cyclic number.

It is not a de Polignac number, because 468640213 - 2⁵ = 468640181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468610213) 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 as a sum of consecutive naturals, namely, 234320106 + 234320107.

It is an arithmetic number, because the mean of its divisors is an integer number (234320107).

Almost surely, 2^468640213 is an apocalyptic number.

It is an amenable number.

468640213 is a deficient number, since it is larger than the sum of its proper divisors (1).

468640213 is an equidigital number, since it uses as much as digits as its factorization.

468640213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 468640213 is about 21648.0995239767. The cubic root of 468640213 is about 776.7474757558.

The spelling of 468640213 in words is "four hundred sixty-eight million, six hundred forty thousand, two hundred thirteen".