683560671242 has 4 divisors (see below), whose sum is σ = 1025341006866. Its totient is φ = 341780335620.

The previous prime is 683560671191. The next prime is 683560671257. The reversal of 683560671242 is 242176065386.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 372833581201 + 310727090041 = 610601^2 + 557429^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170890167809 + ... + 170890167812.

Almost surely, 2^683560671242 is an apocalyptic number.

683560671242 is a deficient number, since it is larger than the sum of its proper divisors (341780335624).

683560671242 is a wasteful number, since it uses less digits than its factorization.

683560671242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341780335623.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 683560671242 in words is "six hundred eighty-three billion, five hundred sixty million, six hundred seventy-one thousand, two hundred forty-two".