683229448649 has 12 divisors (see below), whose sum is σ = 754546952880. Its totient is φ = 618173971800.

The previous prime is 683229448523. The next prime is 683229448661. The reversal of 683229448649 is 946844922386.

It is a de Polignac number, because none of the positive numbers 2^k-683229448649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683229448249) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13354859 + ... + 13405920.

It is an arithmetic number, because the mean of its divisors is an integer number (62878912740).

Almost surely, 2^683229448649 is an apocalyptic number.

It is an amenable number.

683229448649 is a deficient number, since it is larger than the sum of its proper divisors (71317504231).

683229448649 is a wasteful number, since it uses less digits than its factorization.

683229448649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26761012 (or 26761001 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 65.

The spelling of 683229448649 in words is "six hundred eighty-three billion, two hundred twenty-nine million, four hundred forty-eight thousand, six hundred forty-nine".