683476009 has 2 divisors, whose sum is σ = 683476010. Its totient is φ = 683476008.

The previous prime is 683475979. The next prime is 683476061. The reversal of 683476009 is 900674386.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672105625 + 11370384 = 25925^2 + 3372^2 .

It is a cyclic number.

It is not a de Polignac number, because 683476009 - 2²¹ = 681378857 is a prime.

It is not a weakly prime, because it can be changed into another prime (683476609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341738004 + 341738005.

It is an arithmetic number, because the mean of its divisors is an integer number (341738005).

Almost surely, 2^683476009 is an apocalyptic number.

It is an amenable number.

683476009 is a deficient number, since it is larger than the sum of its proper divisors (1).

683476009 is an equidigital number, since it uses as much as digits as its factorization.

683476009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 683476009 is about 26143.3740936399. The cubic root of 683476009 is about 880.8617630003.

The spelling of 683476009 in words is "six hundred eighty-three million, four hundred seventy-six thousand, nine".