669468067347 has 8 divisors (see below), whose sum is σ = 895320840640. Its totient is φ = 444963669480.

The previous prime is 669468067343. The next prime is 669468067363. The reversal of 669468067347 is 743760864966.

669468067347 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 669468067347 - 2² = 669468067343 is a prime.

It is a super-3 number, since 3×669468067347³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669468067343) 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, 337092697 + ... + 337094682.

It is an arithmetic number, because the mean of its divisors is an integer number (111915105080).

Almost surely, 2^669468067347 is an apocalyptic number.

669468067347 is a deficient number, since it is larger than the sum of its proper divisors (225852773293).

669468067347 is a wasteful number, since it uses less digits than its factorization.

669468067347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674187713.

The product of its (nonzero) digits is 219469824, while the sum is 66.

The spelling of 669468067347 in words is "six hundred sixty-nine billion, four hundred sixty-eight million, sixty-seven thousand, three hundred forty-seven".