669334650459 has 8 divisors (see below), whose sum is σ = 892781843520. Its totient is φ = 446055278856.

The previous prime is 669334650421. The next prime is 669334650463. The reversal of 669334650459 is 954056433966.

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

It is not a de Polignac number, because 669334650459 - 2¹⁶ = 669334584923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (669334650499) 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, 41946057 + ... + 41962010.

It is an arithmetic number, because the mean of its divisors is an integer number (111597730440).

Almost surely, 2^669334650459 is an apocalyptic number.

669334650459 is a deficient number, since it is larger than the sum of its proper divisors (223447193061).

669334650459 is a wasteful number, since it uses less digits than its factorization.

669334650459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83910729.

The product of its (nonzero) digits is 62985600, while the sum is 60.

The spelling of 669334650459 in words is "six hundred sixty-nine billion, three hundred thirty-four million, six hundred fifty thousand, four hundred fifty-nine".