683210350045 has 4 divisors (see below), whose sum is σ = 819852420060. Its totient is φ = 546568280032.

The previous prime is 683210350033. The next prime is 683210350049. The reversal of 683210350045 is 540053012386.

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

It can be written as a sum of positive squares in 2 ways, for example, as 322889878756 + 360320471289 = 568234^2 + 600267^2 .

It is a cyclic number.

It is not a de Polignac number, because 683210350045 - 2²⁷ = 683076132317 is a prime.

It is a super-2 number, since 2×683210350045² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 683210349986 and 683210350013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683210350049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68321035000 + ... + 68321035009.

It is an arithmetic number, because the mean of its divisors is an integer number (204963105015).

Almost surely, 2^683210350045 is an apocalyptic number.

It is an amenable number.

683210350045 is a deficient number, since it is larger than the sum of its proper divisors (136642070015).

683210350045 is a wasteful number, since it uses less digits than its factorization.

683210350045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136642070014.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 683210350045 in words is "six hundred eighty-three billion, two hundred ten million, three hundred fifty thousand, forty-five".