683935806452 has 6 divisors (see below), whose sum is σ = 1196887661298. Its totient is φ = 341967903224.

The previous prime is 683935806427. The next prime is 683935806473. The reversal of 683935806452 is 254608539386.

It can be written as a sum of positive squares in only one way, i.e., 356117723536 + 327818082916 = 596756^2 + 572554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 683935806391 and 683935806400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85491975803 + ... + 85491975810.

It is an arithmetic number, because the mean of its divisors is an integer number (199481276883).

Almost surely, 2^683935806452 is an apocalyptic number.

It is an amenable number.

683935806452 is a deficient number, since it is larger than the sum of its proper divisors (512951854846).

683935806452 is a wasteful number, since it uses less digits than its factorization.

683935806452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170983951617 (or 170983951615 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 59.

The spelling of 683935806452 in words is "six hundred eighty-three billion, nine hundred thirty-five million, eight hundred six thousand, four hundred fifty-two".