468209669 has 8 divisors (see below), whose sum is σ = 485737560. Its totient is φ = 450774016.

The previous prime is 468209657. The next prime is 468209683. The reversal of 468209669 is 966902864.

It can be written as a sum of positive squares in 4 ways, for example, as 21436900 + 446772769 = 4630^2 + 21137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 468209669 - 2⁴ = 468209653 is a prime.

It is a super-2 number, since 2×468209669² = 438440588290179122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468509669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12632 + ... + 33105.

It is an arithmetic number, because the mean of its divisors is an integer number (60717195).

Almost surely, 2^468209669 is an apocalyptic number.

It is an amenable number.

468209669 is a deficient number, since it is larger than the sum of its proper divisors (17527891).

468209669 is a wasteful number, since it uses less digits than its factorization.

468209669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46119.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 468209669 is about 21638.1530866199. The cubic root of 468209669 is about 776.5095345655.

The spelling of 468209669 in words is "four hundred sixty-eight million, two hundred nine thousand, six hundred sixty-nine".