468568999441 has 9 divisors (see below), whose sum is σ = 475126350321. Its totient is φ = 462100960512.

The previous prime is 468568999433. The next prime is 468568999447. The reversal of 468568999441 is 144999865864.

The square root of 468568999441 is 684521.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 64479937041 + 404089062400 = 253929^2 + 635680^2 .

It is not a de Polignac number, because 468568999441 - 2³ = 468568999433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468568999447) 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 in 8 ways as a sum of consecutive naturals, for example, 49965345 + ... + 49974721.

Almost surely, 2^468568999441 is an apocalyptic number.

468568999441 is the 684521-st square number.

468568999441 is the 342261-st centered octagonal number.

It is an amenable number.

468568999441 is a deficient number, since it is larger than the sum of its proper divisors (6557350880).

468568999441 is an frugal number, since it uses more digits than its factorization.

468568999441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18900 (or 9450 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 73.

The spelling of 468568999441 in words is "four hundred sixty-eight billion, five hundred sixty-eight million, nine hundred ninety-nine thousand, four hundred forty-one".