669052055333 has 8 divisors (see below), whose sum is σ = 689332084056. Its totient is φ = 648960678400.

The previous prime is 669052055323. The next prime is 669052055363. The reversal of 669052055333 is 333550250966.

It can be written as a sum of positive squares in 4 ways, for example, as 151201989409 + 517850065924 = 388847^2 + 719618^2 .

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 669052055333 - 2²² = 669047861029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669052055303) 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, 47155748 + ... + 47169933.

It is an arithmetic number, because the mean of its divisors is an integer number (86166510507).

Almost surely, 2^669052055333 is an apocalyptic number.

It is an amenable number.

669052055333 is a deficient number, since it is larger than the sum of its proper divisors (20280028723).

669052055333 is a wasteful number, since it uses less digits than its factorization.

669052055333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94325895.

The product of its (nonzero) digits is 2187000, while the sum is 47.

The spelling of 669052055333 in words is "six hundred sixty-nine billion, fifty-two million, fifty-five thousand, three hundred thirty-three".