669517341 has 24 divisors (see below), whose sum is σ = 951562464. Its totient is φ = 418640640.

The previous prime is 669517333. The next prime is 669517367. The reversal of 669517341 is 143715966.

It is not a de Polignac number, because 669517341 - 2³ = 669517333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 669517293 and 669517302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669517301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285811 + ... + 288143.

It is an arithmetic number, because the mean of its divisors is an integer number (39648436).

Almost surely, 2^669517341 is an apocalyptic number.

It is an amenable number.

669517341 is a deficient number, since it is larger than the sum of its proper divisors (282045123).

669517341 is a wasteful number, since it uses less digits than its factorization.

669517341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701 (or 2684 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 669517341 is about 25875.0331593990. The cubic root of 669517341 is about 874.8238408909.

The spelling of 669517341 in words is "six hundred sixty-nine million, five hundred seventeen thousand, three hundred forty-one".