669413422736 has 20 divisors (see below), whose sum is σ = 1297108944000. Its totient is φ = 334675630752.

The previous prime is 669413422681. The next prime is 669413422747. The reversal of 669413422736 is 637224314966.

It is a super-2 number, since 2×669413422736² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764356 + ... + 2109923.

It is an arithmetic number, because the mean of its divisors is an integer number (64855447200).

Almost surely, 2^669413422736 is an apocalyptic number.

It is an amenable number.

669413422736 is a deficient number, since it is larger than the sum of its proper divisors (627695521264).

669413422736 is a wasteful number, since it uses less digits than its factorization.

669413422736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885086 (or 3885080 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 53.

The spelling of 669413422736 in words is "six hundred sixty-nine billion, four hundred thirteen million, four hundred twenty-two thousand, seven hundred thirty-six".