682913009 has 2 divisors, whose sum is σ = 682913010. Its totient is φ = 682913008.

The previous prime is 682912949. The next prime is 682913047. The reversal of 682913009 is 900319286.

682913009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (682913047) can be obtained adding 682913009 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600103009 + 82810000 = 24497^2 + 9100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682913009 is a prime.

It is a super-2 number, since 2×682913009² = 932740355722868162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (682913059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341456504 + 341456505.

It is an arithmetic number, because the mean of its divisors is an integer number (341456505).

Almost surely, 2^682913009 is an apocalyptic number.

It is an amenable number.

682913009 is a deficient number, since it is larger than the sum of its proper divisors (1).

682913009 is an equidigital number, since it uses as much as digits as its factorization.

682913009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 682913009 is about 26132.6043286925. The cubic root of 682913009 is about 880.6198323410.

The spelling of 682913009 in words is "six hundred eighty-two million, nine hundred thirteen thousand, nine".