468802189 has 2 divisors, whose sum is σ = 468802190. Its totient is φ = 468802188.

The previous prime is 468802163. The next prime is 468802207. The reversal of 468802189 is 981208864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456164164 + 12638025 = 21358^2 + 3555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468802189 is a prime.

It is a super-2 number, since 2×468802189² = 439550984822383442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468802109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234401094 + 234401095.

It is an arithmetic number, because the mean of its divisors is an integer number (234401095).

Almost surely, 2^468802189 is an apocalyptic number.

It is an amenable number.

468802189 is a deficient number, since it is larger than the sum of its proper divisors (1).

468802189 is an equidigital number, since it uses as much as digits as its factorization.

468802189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 468802189 is about 21651.8403143936. The cubic root of 468802189 is about 776.8369544599.

The spelling of 468802189 in words is "four hundred sixty-eight million, eight hundred two thousand, one hundred eighty-nine".