683683287052813 has 2 divisors, whose sum is σ = 683683287052814. Its totient is φ = 683683287052812.

The previous prime is 683683287052793. The next prime is 683683287052853. The reversal of 683683287052813 is 318250782386386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498995268592804 + 184688018460009 = 22338202^2 + 13589997^2 .

It is a cyclic number.

It is not a de Polignac number, because 683683287052813 - 2²¹ = 683683284955661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683683287052853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341841643526406 + 341841643526407.

It is an arithmetic number, because the mean of its divisors is an integer number (341841643526407).

Almost surely, 2^{683683287052813} is an apocalyptic number.

It is an amenable number.

683683287052813 is a deficient number, since it is larger than the sum of its proper divisors (1).

683683287052813 is an equidigital number, since it uses as much as digits as its factorization.

683683287052813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 557383680, while the sum is 70.

The spelling of 683683287052813 in words is "six hundred eighty-three trillion, six hundred eighty-three billion, two hundred eighty-seven million, fifty-two thousand, eight hundred thirteen".